2018 Closeout Sale Catalog - American Scientific

CLOSEOUT SALE 2018

Thank you for viewing our Closeout Sale Catalog - all items in this catalog are available on a first come first serve basis and are only available while supplies last.

Should you have any additional questions, our staff is always available to assist you!

Please Note: The products in this catalog are only a small selection of products we currently carry. Please view our 2018 Wholesale Catalog, or our website for our complete offering.

We also have access to a large range of products not listed in this catalog. In attition, we have an active R & D program and manufacturing facilities including glassblowing, to meet the needs of our customers. We invite you to call, fax or e-mail us with your requests or requirements.

We accept credit cards!

Items in this catalog are for educational and demonstration purposes only.

Adult supervision is required.

STEM EDUCATION

TABLE OF CONTENTS BIOLOGY 4 LABORATORY 7 GENERAL SCIENCE 13 ENERGY 16 PHYSICAL SCIENCE 19 MECHANICS 23 OPTICS AND MICROSCOPES 26

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4

BIOLOGY BIOPLAST, BIOLOGICAL SYMMETRY Item 10-1530

BIOPLAST, HOUSEFLY LIFE HISTORY Item 10-2000

$15.56

$3.85

See 3 specimens up close in this bioplast. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

See the life stages of a housefly up close in this bioplast. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

• Set of 5 specimens.

BIOPLAST, ROOT SYSTEM Item 10-1800

BIOPLAST, INSECTS SPECIMEN, SET/4 Item 10-2300

$5.14 See 4 root systems up close in this bioplast. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

• Set of 4 specimens.

$6.00 See 4 insect specimens up close in these bioplasts. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

• Sold in a set of 4

BIOPLAST, PLANT SPECIMEN, SET/4 Item 10-2400

BIOPLAST, SEA LIFE SPECIMEN, SET/4 Item 10-2500

$6.00

$10.80

See 4 different plant specimens up close in these bioplasts. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

• Sold in a set of 4

See 4 different sea life specimens up close in these bioplasts. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

• Sold in a set of 4

BIOPLAST, HONEY BEE LIFE HISTORY, SIX STAGES Item 10-1650

PLASTIC BIOPLAST MOUNT, WASP Item 10-3400

$4.30

$0.79

See the life stages of a honey bee up close in this bioplast. The clear plastic embedment protects fragile specimens and provides an interactive way for them to be handled and inspected close-up without damage. It’s a great staple for biology classrooms.

Encased in durable acrylic, these specimens are a fascinating way to get an up-close look at these tiny creatures. This bioplast is a great item for biology classrooms or for anyone interested in insects. Scientific name: polistes hebraeus fabricius.

• Each block is approx. 2” (22 mm) l x 1” (53 mm) w x 0.5” (10 mm) thick

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5 PLASTIC BIOPLAST MOUNT, BEETLE Item 10-3700

PLASTIC BIOPLAST MOUNT, CRAB Item 10-3800

$0.90

$0.76

Encased in durable acrylic, these specimens are a fascinating way to get an up-close look at these tiny creatures. This bioplast is a great item for biology classrooms or for anyone interested in insects. Scientific name: popillia quadriguttata & platycorynus peregrinus herbst.

• Each block is approx. 2” (22 mm) l x 1” (53 mm) w x 0.5” (10 mm) thick

Encased in durable acrylic, these specimens are a fascinating way to get an up-close look at these tiny creatures. This bioplast is a great item for biology classrooms or for anyone interested in insects. Scientific name: sesarma dehaani.

• Each block is approx. 2” (22 mm) l x 1” (53 mm) w x 0.5” (10 mm) thick

MODEL OF HUMAN EYE Item 1020-11

MODEL OF HUMAN HEART Item 1020-33

$4.97

$4.97

This 3x plastic model of the human eye comes on a stand. It is dissectible in 6 numbered parts with keyed descriptions. The model can provide useful illustrations for biology classes.

This 1x dissectible model of the human heart comes on a stand. It is made of indestructible polymer.

The model is hand-painted with numbered parts and a key for part names.

MODEL OF HUMAN TORSO Item 1020-99

MODEL OF THE HUMAN BRAIN Item 1500-10

$18.41 Dissectible model of the Human Torso on a stand. 18” high and made of unbreakable polymers. Model is dissectible in 8 parts.

MODEL OF HUMAN LUNG Item 1500-30 $6.86 This 3-dimensional model shows the basic structure of the human lungs.

It is made of indestructible polymer.

The model is hand-painted with numbered parts for color and detail.

AQUATIC NET Item 5894-65 $4.08

$8.34 This 1x plastic model of the human brain comes on a stand. It is vertically dissected in two parts.

The model is hand-painted with numbered parts and a key with part names.

SIMPLE HAND MICROTOME IN A WOODEN BOX Item 1050-00 $23.40 Use this microtome for introductory biology and histology work. It is suitable for slicing micro thin sections as thin as 0.01 mm (10 um). The microtome is an excellent tool for microscopy purposes.

• Graduated in 10-um (0.01 mm) steps • Advances 500 um (0.50 mm) for each complete turn • Comes with a single edge tempered steel razor knife • Packed in a velvet-lined wooden case

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6 MODEL OF ANIMAL CELL Item 1530-10

MODEL OF PLANT CELL Item 1530-15

$10.13

$10.36

This cell model incorporates details from microscopic slides (not included). The nucleus, mitochondria, endoplasmic reticulum, and ribosomes are clearly shown. The model is mounted on a stand with a key card.

This colorful cross-sectional model shows the typical structure of a generalized plant cell. It is made of indestructible polymer. The model is hand-painted and has an informational key.

MODEL OF PLANT MITOSIS Item 1530-21

MODEL OF LEAF STRUCTURE Item 1530-25

$13.43

$11.44

This model shows mitosis stages in plant cells. It identifies the parts of the cell phases of mitosis and the changes cells undergo through the stages. The nucleus, centrioles, centrosome, chromatin, chromosomes, spindle, aster, and other key structures are easily identified. The model is mounted on board with key card. It is made of hard plastic.

This 3-dimensional model shows leaf structure in detail. It is made of indestructible polymer. The model is mounted on a stand for convenient viewing.

SMALL MOROCCAN GEODE, BAG/100 Item GEO-1 $42.00 Break your own geodes! Discover what’s inside each one of these natural Moroccan geodes. Geodes from Morocco tend to run larger and have much better crystalline structure than the ones from Mexico.

Not every geode will contain crystals but they will still contain interesting mineral deposits inside.

Included: a bag of 100 small-sized genuine Moroccan geodes with 100 instruction cards. Approximate size: 1” (25mm). Hammer or rock pick required but not included. Safety goggles and adult supervision are recommended.

TEASING NEEDLES, WITH HANDLE, BENT Item 1081-02 $0.36

DISSECTING STRAIGHT SCISSORS, 125 MM Item 1070-01 $1.02 These scissors are great for quickly cutting connective tissue and muscle.

They are made of stainless steel.

The scissors have one blunt and one sharp blade end.

• 125 mm

DISSECTING STRAIGHT SCISSORS IRIS, 4 1/2” Item 1072-01 $0.90 These scissors work well for fine dissection work. They are made of stainless steel with two sharp point blades. The scissors are indispensable for biology labs.

• 4.5” (115 mm) PROBE AND SEEKER, SMALL Item 1083-01 $0.36

These bent teasing needles are made with a metal handle for ease of use.

The needles are great for use in dissection, as they allow precision and a firm grip. They are a musthave for biology classrooms.

This item is an essential dissection instrument. It is an angular and blunt (tapered) probe with a hexagonal handle. It has a one-piece construction and is made from stainless steel.

• 130 mm

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7

LABORATORY CENTRIFUGE TUBES, CONICAL BOTTOM, GRADUATED 15 ML Item 5525-15 $0.60 For standard tapered centrifuge holders. Made of borosilicate glass for resistance to pH sensitive solutions.

• Capacity: 15ml • Heigth and outer diameter:100 x 15mm

U-SHAPED DRYING TUBES a. Item 5554-12, 100x13 mm b. Item 5554-14, 150x13 mm c. Item 5554-22, with sidearms a. $0.94 b. $1.41 c. $0.72 For drying gases with desiccants such as granular calcium chloride, magnesium perchlorate etc. Made of borosilicate glass. Tooled ends for stoppers, U-shape.

• Lengths available: 100 or 150 x 13mm outer diameter • With side arms: length 100 x 13mm outer diameter

SEPARATORY FUNNELS, PEAR SHAPE, PTFE STOP COCK, 500 ML Item 5550-35 $9.94 Pear shaped separatory funnel with ptfe stop cock.

• Capacity: 500 ml

GAS MEASURING TUBES a. Item 5593-10, 100 ml b. Item 5593-05, 50 ml a. $2.65 b. $1.80 For determining molar volume and other applications in the laboratory such as gas generated or absorbed in a given chemical reaction. Made of borosilicate glass. Graduated with zero at the closed top i.e. reads downwards from the closed top.

• Capacity: 50 or 100 ml

STEAM TRAP (WATER TRAP) Item 3219-00 TUBES, TEST, WITH SIDEARM 20X150 MM Item 5585-20 $0.70 For microfilteration and other applications. Made of borosilicate glass. Serrated tubulation is approximately 10 mm diameter and 25 mm long.

• Test tubes sizes: Length 20 with outer diameter 150mm FUNNEL, SHORT STEM, 45 MM Item 5611-03 $0.77 Made of borosilicate glass. Fire polished stems and rims. Funnels inner diameter: 1-3/4” (45mm), Fits paper of diameter: 2-3/4” (70mm), Stem length: 2” (50mm).

$0.91 For preventing condensed water being carried over with steam prepared in a laboratory steam generator. Particularly useful when determining the heat of vaporization with a steam calorimeter. Consists of a borosilicate glass chamber with a curved inner tube.

EQUILIBRIUM TUBES Item 3448-00 $3.96 For showing that liquid levels are independent of shapes of the containing vessel and liquid will rise to the same level in the vessel, regardless of its shape. Consists of a reservoir and thre1e tubes of borosilicate glass of same internal diameter but differing shapes.

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8 PLASTIC GRIFFIN BEAKER 2,000 ML, EACH Item 2205-06

GLASS BEAKER 600 ML, PK/8 Item 5713-10 $4.64

$2.04

These graduated, borosilicate glass beakers can be used for routine mixing, measuring and boiling when a glass lab beaker is required.

Capacity 600 ml. Sold in packs of 8.

Single piece, molded of translucent plastic, with raised numerical graduations on the inside and pouring spout. Resistant to most common acids, bases and solvents.

Has a broad base for stability. Does not have meniscus. Autoclavable to 130 degrees C. Size: 2,000 ml.

Comes packaged individually.

ROUND BOTTOM FLASK, 100 ML CAP, 19/22 JOINT Item 5732-09 $1.08

GRADUATED, BOROSILICATE GLASS BEAKER, 10 ML Item 5719-02

Borosilicate Round bottom glass flasks can be used in experiments.

Flask cap is 100 ml and Flask joint outer joint is 19/22.

$0.31 These graduated, borosilicate glass beakers can be used for routine mixing, measuring and boiling when a glass lab beaker is required.

Capacity 10 ml. Microwave safe.

FLASK, ERLENMEYER, NARROW NECK, CONICAL, GRADUATED a. Item 5714-02, 50 ml b. Item 5714-05, 500 ml c. Item 5714-06, 1000 ml

RETORT a. Item 5007-53, 250 ml b. Item 5007-54, 500 ml c. Item 5007-55, 1000 ml

a. $0.82 b. $1.80 c. $3.82

a. $3.43 b. $5.82 c. $7.26

FLASK, ERLENMEYER , WIDE NECK, CONICAL, GRADUATED a. Item 5714-21, 25 ml b. Item 5714-22, 50 ml c. Item 5714-25, 500 ml d. Item 5714-26, 1000 ml

Retorts are still a quick and easy way to distill liquids. The heated liquid evaporates and condenses along the neck to a collection vessel placed underneath. More convenient than the modern water-cooled standard laboratory condenser, though not as efficient. Our retort is made of high quality, heat resistant, Borosilicate glass and has a ground glass stopper making it suitable to use for highly corrosive materials or liquids.

Capacities vary (see above).

a. $0.91 b. $0.73 c. $1.93 d. $3.85 Narrow and Wide Neck Erlenmeyer Flask, graduated scale gives approximate volume. Conical, Size varies (see above).

CONDENSERS GRAHAM COIL TYPE 300 MM 24/40 Item 5544-30-F $10.74 This condenser is primarily used for distillation requiring high surface area per unit length. It is made of borosilicate glass. It has a leak-free jacket sealed to the inner tube, which is coiled throughout, and its inlet end is sloped to avoid trapping condensates. A drip tip is provided at the lower tip.

• Stabilizers inside jacket help prevent the coil from moving and breaking • Packaged in gray foam packaging for safe transit and storage • Accepts 0.31” (8 mm) flexible tubing • Jacket Length: 12” (300 mm) • Joint Size: 24/40

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9 MEASURING CYLINDERS, METRIC SCALE a. Item 5565-03, 10 ml b. Item 5565-07, 50 ml c. Item 5565-10, 100 ml 10 ml size: Subdivision: 0.2 ml, Tolerance: +0.2 ml 50 ml and 100 ml size: Subdivision: 1.0 ml, Tolerance: +1.0ml a. $1.00 b. $2.65 c. $3.85 For use in educational institutions and general laboratory procedures.

Made of borosilicate glass. Round base with spout and break-resistant collar. Capacities vary (see above).

FUNNELS HIRSCH PORCELAIN a. Item 5306-05, 75 mm b. Item 5306-06, 100 mm a. $2.04 b. $2.64 With integral perforated plate and conical sides. Tapered stem. Glazed inside and outside except for rim.

Diameters vary (see above).

FUNNEL, PLASTIC a. Item 2209-00, 1-3/8” b. Item 2209-44, 5” a. $0.10 b. $0.29 These translucent plastic funnels allows convenient pouring of liquids in containers.

WIRE GAUZE SQUARES a. Item 2210-01, 4” b. Item 2210-02, 5” c. Item 2210-03, 6”

CORK BORERS SET/3 Item 2093-01

a. $0.26 b. $0.26 c. $0.34

Made of plated sharpened brass tubing with attached handles including a steel punch Set of 3.

Includes plunger.

Made of galvanized woven wire with edges carefully turned over.

$1.45

You get 3 cork borers to make the following hole sizes: 1- Hole diameter: 5mm (3/16”) 2 -Hole diameter: 6mm (1/4”) 3 -Hole diameter: 8mm (5/16”)

FILTER PAPER, 15 CM, PK/100 Item 4741-04

CORK BORERS SET/6 Item 2093-02

$2.14

$3.11

High quality neutral filter paper, suitable for normal filtration.

Contains very low Ash content.

Available in packs of 100, 15 cm diameter.

Made of plated sharpened brass tubing with attached handles including a steel punch Set of 6.

Includes plunger.

$0.19

You get 6 cork borers to make the following hole sizes: 1- Hole diameter: 5mm (3/16”) 2 -Hole diameter: 6mm (1/4”) 3 -Hole diameter: 8mm (5/16”) 4- Hole diameter: 9mm (11/32”) 5- Hole diameter: 10mm (25/64”) 6- Hole diameter: 11mm (7/16”)

Made of plastic with a scoop on one end and a spatula on the other.

Approximately 8” long.

CORK BORER SHARPENER Item 2095-00

SPATULA, PLASTIC, 8 IN Item 2084-99

$1.92

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10 PESTLE AND MORTAR SETS PORCELAIN a. Item 5308-07, 175 mm b. Item 5308-10, 300 mm a. $1.84 b. $18.31 With pouring lip. Glazed outside and rough inside. Footed bottom for stability. Pestles are oversized for hand comfort and are unglazed on the bottom. Larger sizes have wooden handles. Outer Diameter varies.

CRUCIBLE TRIANGLES PORCELAIN 60 MM Item 5313-02 $0.13 For supporting crucibles and dishes when heating on gas burner etc.

With pipe stems on galvanized iron wire triangles. Side Length: 60mm

PIPETTE FILLER (RUBBER) Item 6388-60 $1.68

CRUCIBLES WIDE FORM PORCELAIN a. Item 5302-02, 10 ml b. Item 5302-03, 15 ml c. Item 5302-06, 30 ml d. Item 5302-07, 50 ml a. $0.34 b. $0.32 c. $0.34 d. $0.52 CRUCIBLES TALL FORM PORCELAIN a. Item 5303-01, 10 ml b. Item 5303-02, 15 ml c. Item 5303-05, 30 ml d. Item 5303-08, 100 ml a. $0.31 b. $0.32 c. $0.36 d. $1.19

For use at temperatures up to 800 degrees C. Glazed inside and outside except for outside bottom surface.

With lid. Capacities vary (see above).

Wide and tall crucibles available.

SPARE WICK AND HOLDER FOR ALCOHOL BURNER ANGULAR Item 2066-16

Use this red rubber pipette filler to safely fill glass and plastic pipettes.

Capacity: approx 60 ml. With three valves.

$0.26

RUBBER TUBING a. Item 6388-01, 3/16”, 10 ft b. Item 6388-02, 1/4”, 10 Ft

BURNER WING TOPS a. Item 2067-04, 11/16” b. Item 2067-01, 7/16”

a. $1.03 b. $0.96

a. $1.46 b. $1.48

High grade, medium wall rubber tubing for general laboratory use.

Melting point 230°F (110°C).

Available in rolls of 10 feet (3 meters).

Available in the approximate dimensions: 3/16” or 1/4” diameter, with 1/16” wall thickness.

For obtaining broad, fishtail flame that heats large area and smoothly bends glass. Also useful for flame tests and paint stripping. Made of brass. Fits over a range of burner mixing tubes.

Outer Diameter 11/16” or 7/16”.

Spare wick and holder for our angular alcohol burner.

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11 SUPPORT STANDS RECTANGULAR, CAST IRON BASES 300X150 MM (12X6IN) -- WITH RODS Item 2050-04 $4.61 Rugged base for stability. Base drilled and tapped on edge (except the 300 x 150mm base, which has two holes).

Plated steel rod can be unscrewed from the base for storage. Chemicalresistant, baked enamel finish Undercoated Length and width of Base: 300x150 mm.

TRIPOD BASES WITH RODS 100 MM (4IN) Item 2054-01 $4.61

SUPPORT STANDS RECTANGULAR STEEL BASES (8X5IN) Item 2051-02 $3.85 Consists of a base made from 3mm thick steel sheet with rubber feet for stability. The base has a hole drilled, close to the edge (except the 300 x 150mm base, which has two holes).

Supplied with a plated steel rod which can be easily screwed to the base.

SUPPORT STANDS RECTANGULAR, CAST IRON BASES 150X100 MM (6X4IN) -- ROD ONLY Item 2050-01R

Heavy cast iron base with three point support for stability. It is drilled and threaded to accommodate a plated steel rod. The base is finished with chemical-resistant enamel paint. Size is the distance from the center of the base to the end of the tripod foot.

$0.66

SUPPORT STANDS RECTANGULAR, CAST IRON BASES 150X100 MM (6X4IN) -- NO ROD Item 2050-01B

SUPPORT STANDS, RECTANGULAR, STEEL BASES 300X150 (12X6IN) Item 2051-04

$3.73

Plated steel rod can be unscrewed from the base for storage.

$4.06

Rugged base for stability. Base drilled and tapped on edge (except the 300 x 150mm base, which has two holes).

Chemical-resistant, baked enamel finish Undercoated Length and width of Base: 150x100 mm.

Consists of a base made from 3mm thick steel sheet with rubber feet for stability. The base has a hole drilled, close to the edge (except the 300 x 150mm base, which has two holes).

Supplied with a plated steel rod which can be easily screwed to the base.

CLEAR PLASTIC GEOBOARD 9”X9” Item GEO-900

HOFFMAN ELECTROLYSIS APPARATUS, BASE, ROD, 2 CLAMPS ONLY Item 3156-03

$0.60 Clear Plastic Geoboard 9”x9”.

11 pegs x 11 pegs, clear plastic geoboard, numbered, one sided.

$9.60 Base, rod, and 2 clamps only. Perfect for Hoffman Electrolysis Apparatus experiments.

RING STAND WITH BASE AND 2 CLAMPS Item 2056-13 $18.40 2 clamps, and a cast iron base 8” x 5” (200 mm x 125 mm) with a plated steel rod that can be unscrewed from the base for storage.

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12 HOFFMAN ELECTROLYSIS APPARATUS, COMPLETE Item 3156-01 $44.00 For qualitative and quantitative study of the electrolytic decomposition of electrolytes such as water, hydrochloric acid etc. Consists of two vertical 50 ml, gas-collecting, graduated glass tubes with stopcocks at top and joined by a bridging tube to a reservoir and fitted with a pair of platinum electrodes at the lower ends of the glass tubes. A lead wire connecting the platinum electrode passes through the glass tube for external connections, so that only the platinum electrode comes in contact with the electrolyte. Packed in a Styrofoam case. Mounted on a cast iron stand designed for safe clamping. Requires a 6V battery or low voltage DC power supply for operation (not included). Complete unit with Teacher’s Guide.

HOFFMAN ELECTROLYSIS APPARATUS, GLASS AND 4 ELECTRODES ONLY Item 3156-02 $34.80 Hoffman Electrolysis Apparatus, Glass and 4 Electrodes Only

TEST TUBE HOLDER, CROSS PATTERN Item 2032-01 $0.74 Use this item for handling test tubes from 12 mm to 40 mm outer Dia. It is made from rolled brass strip with a spring clip. The holder has a polished wooden handle for convenience.

Approx. 220 mm L

TEST TUBE STAND, ALUMINUM 19 HOLES, Z SHAPE Item 2035-19 $1.62 ‘Z’ pattern with three rows of holes, manufactured in corrosion- resistant aluminium sheet 5 holes are 28 mm diameter, 6 holes are 19 mm diameter and 8 holes are 13 mm diameter.

• Dimensions: 200 x 120 x 90 mm

C-CLAMPS 2” Item 3554-01 $0.72 For clamping two apparatuses together or securing an apparatus to a table top. Also useful for setting up rod mounted pulleys. Cast iron enameled frame. Plated screw and vise type nut. Jaw opening 2” (50 mm).

CLAMP EXTENSION, FOUR PRONG Item 2062-01 $1.12 For providing a firm grip on objects of diameter from 2mm to 90mm.

Four pronged clamp of cast alloy with brass thumbscrew and cork lined jaws. Overall length approximately 240 mm.

BEAKER TONGS, 50 ML TO 600 ML Item 2024-01 $1.86 Use these tongs for holding beakers from 50 ml up to 600 ml capacity. The jaws are covered with replaceable PVC tubing. These tongs are crucial for safely moving beakers in the lab.

• Made of plated steel • 14.25” (360 mm) L

DISH TONGS Item 6455-22 $1.34 Stainless steel tong for holding evaporating dishes from 75 to 125 mm. Length of the tong 25 cm.

TEST TUBE RACK, POLYPROPYLENE 31 TUBES RACK Item 2035-13 $2.69 A 31 tube rack for tubes up to 12 mm in diameter. Three tier design measures (l x w x h), 275 x 110 x 65 mm. The lower plate has rounded wells with drain holes. Convenient hand grips on both sides.

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13

GENERAL SCIENCE THERMOMETER, WALL, DUAL SCALE ECONOMY Item 1203-12

DIGITAL INSTANT READ THERMOMETER C/F Item 1230-00

$0.56

$6.60

This thermometer is for classroom or outdoor use. It is a spirit-filled wall thermometer with a plastic back and dual scale -20°F to 230°F x 1°F and -30°C to 50°C x 1°C division.

Boiling, freezing, room, and normal body temperatures are marked on the scale.

• 6.5” L x 2” W

This Digital Instant Read Thermometer has a large viewing display (24 mm x 11 mm) for clear viewing. It is designed in a convenient pen style with a protective sheath. Simple and quick to use, it is a fantastic staple for laboratories.

• On/off and F’/C’ switches • Scale -50-392°F/-45-200°C • Uses 1 x 1.5 v LR44 battery

LIGHTNING BALL 8” DISCONTINUED STYLE Item 2120-00-X

THREE GLOBAL MODEL, MANUAL Item 2120-04

$12.60

$17.40

Glass bulb filled with gas under low pressure, the glow is caused by the strong electrical field generated by the high-voltage transformer in the plastic base, diameter of the globe approx 8” (200mm).

• Discontinued Style - Plays Music

A high quality model designed to demonstrate on a large scale the relative movements of the sun, earth, and moon, so that the causes of a number of phenomena can be understood such as day and night, changing the length and direction of shadows, seasons of the year, phases of the moon. Teachers notes written for the non-specialist astronomer cover all these topics.

UNIVERSAL ADAPTER Item 3375-00 $1.92 Small, compact and safe! The universal adapter will allow you to plug in your electrical equipment anywhere. Suitable for equipment with ground pin (2 pin connections 2.5A, 110 v - Max., 275 W, 220 V Max. 550 W).

• CE Certified.

• Great for use with our Spectrum Tube Power Supply with dual voltage options (Catalog Item 3376-00D).

STETHOSCOPE, TEACHING Item 3648-01 $7.25 For simultaneous listening of heart sounds by the student and instructor or two students, through a single chest piece. Consists of a Bowles chest piece, dual head sets of plated brass binaurals with plastic earpieces, black latex extension and Y-tubing connector.

LIQUID EXPANSION BULB Item 3256-00

SEISMOGRAPH Item 6455-80

$1.92

$3.84

For demonstrating and determining the coefficient of volume expansion of liquids when heated. Consists of a borosilicate glass bulb to hold 10mL of a liquid, in a capillary stem with a funnel at the top. The capillary stem is graduated to 0.5 ml.

For use with measuring the strength and severity of movement caused by an earthquake. Consists of a rod mounted on a wooden base that has a free moving pencil attached. The pencil hangs over a roll of paper and accurately records the vibration.

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14 HUMANOID ROBOT BASIC KIT (H1-B) Item 8810-00

HUMANOID ROBOT STANDARD KIT (H1-S) Item 8810-10

$239.40

$600.00

This kit contains 4 executable modules and 1 sensor module which is highly integrated with infrared obstacle sensor, brightness detection and sound recognition. With Flow-chart programming C-language, students can easily re-construct the teaching projects like a moving spider, a clapping penguin or a mechanical arm. Students can learn the touch control logic and creative construction.

This kit contains 18 executable modules, 1 gyroscope, infrared distance recognition, wireless remote control sensors and more! This is the most advanced robotics kit that is offered. With flow-chart programming C-language VJC, students can easily construct robots that can interact with the environment in many ways. Users can choose the sensors to get a deeper understanding of intelligent robots.

CREATIVE BRICK INTELLIGENT CONTROL KIT (C1-P) Item 8800-00

CREATIVE BRICK STEM KIT (C1-S) Item 8800-10

$317.40

$359.40

This kit contains more than 220 components and 44 kinds of them, including 1 controller, 1 lithium battery, 2 sets of closed loop motors, 1 DC motor (working voltage 6-9V, 9000 rpm, motor cable provided), 2 touch sensors (working voltage 5V), 2 light sensors (working voltage 5V), 1 revolving counter, 5 gray scale sensors, 2 IR sensors, 1 sound sensor, 4 types of point components, 1 type of line components, 4 types of plane components, 3 types of gears, 2 types of gear cases, 2 types of bearings and 4 types of shafts, etc. With this kit, students can realize 28 teaching activities and each one of which is accompanied with a Teacher’s Guide, a Student’s Guide, an instruction manual, and an example activity. This uses flow-chart programming software as well as the C language.

This kit contains more that 455 components and 70 kinds of them, including 1 controller, 1 lithium battery, 4 DC motor sets , 3 touch sensors, 2 light sensors, 2 revolving counters, 1 grayscale sensor, 1 sound sensor, 3 magnetic switches, 1 temperature sensor, 1 fllame sensor, 3 color lights, 8 types of gears, 3 types of gear cases (12 included), 2 types of bearings and 6 types of shafts.

With this kit, students can experience 18 different teaching activities, where the students can create a helicopter, winch, centrifuge, traffic light, magnetic secret key, carrier belt, rotating workbench, blender, washing machine, strong light scanner, auto-lathe, automatic door, elevator, mechanical arm and more. Each set has a Teacher’s Guide, Student’s Guide, Building Manual, and an example activity.

VERNIER CALIPER, DUAL SCALE, IMPROVED DESIGN, WOODEN BOX Item 3431-00

DYNAMIC TROLLEY Item 3567-00

$3.73

Metal cart for mechanics experiments. Spring Plunger with 3 positions release for acceleration.

Weight 1000g. Additional weight can also be added to increase mass with the help of the wing nut on top. Very useful in teaching conservation of momentum and acceleration.

For inside, outside, step and depth measurement. Has metric scale to 15cm in 1mm steps and the 10 part vernier reads to 0.1 mm least count.

English scale is graduated to 6 in in 1/16 in divisions and the 8 part vernier reads to 1/128 in least count.

Verniers are adjustable and can be trued, if desired. Automatic cam locking device allows fine adjustment along the main scale. Made of plated steel and packed in a quality wooden box. Comes with Teacher Guide.

$5.02

BICYCLE WHEEL Item AR-630 $18.65 Teach your students about angular momentum. A spinning bicycle wheel’s angular momentum depends on the radius of the wheel, it’s mass and the mass distribution. Angular momentum has both a size and a direction, and is conserved in a closed system. It can also be used to demonstrate gyroscopic precession.

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15 IQ KEY PERFECT 400 ROBOTIC STEM KIT Item 3570-55 $29.40 Stimulate right brain creativity by encouraging students to design and build machines of their own! Use the IQ Key Perfect 400 to identify different simple machines that are working together to transfer and transform energy while having fun. Design, build, and refine a device that uses energy. Observe energy demonstrations and learn about energy conversion, circuits, and using machines for problem solving.

Specifications: • Comes with a Teacher’s Guide • 54 pieces, includes plans to build 10 different models • Requires 2 AA batteries, not included

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16

ENERGY FRICTION PAD (EXCITING PAD) WOOL FLANNEL Item 3129-03

FRICTION PAD (EXCITING PAD) SILK FLANNEL Item 3129-02

$0.84

$0.65

For producing electrostatic charges on friction rods, electrophorus plates etc. Made of Wool Flannel.

For producing electrostatic charges on friction rods, electrophorus plates etc. Made of Silk Flannel.

ELECTRODES, FLAT WITH BINDING POSTS CARBON Item 3151-22

FLAT ELECTRODES CARBON Item 3151-02

$0.38 Approximate size (l x w), 125 x 50 mm with 4 mm socket binding post terminal. Made of Carbon”

$0.49 For assembling voltaic cells, electrolysise experiments, etc.

Approximate size (l x w), 5”x1” (125 x 25mm). Made of Carbon.

INDUCTION COIL a. Item 3148-02, 50 mm b. Item 3148-01, 25 mm a. $59.40 b. $33.60 To produce high voltage alternating current or pulses of high voltage current from a low voltage direct current source.

Suitable for use with gas filled discharge tubes, vacuum tubes, eudiometers and for general laboratory work. Comprised of two coils fully enclosed in a polished wooden case with binding posts. Includes adjustable vibrator system, primary current polarity reversal and off-on switch, a condenser enclosed in the box and special alloy contacts. Spark gap at the discharge points can be adjusted by sliding rods back and forth. Requires 6-12 volt power source such as a battery. Can continuously run for 45 minutes or more before needing to be turned off. a. Maximum spark length: 50 mm. b. Maximum spark length: 25 mm.

SOLAR CELL DOLLY Item 1000-11

IRON CORE SOLENOID Item 3171-00

$12.78

$14.16

This dolly provides an easy way to show light can be harnessed to create power. A solar panel attaches to the “hood,” and one set of wire cables transmits power from the panel to the battery. It offers a fun and exciting demonstration.

Comes with a Teacher’s Guide

For studying magnetic induction properties produced by electric current and the effect of an iron core, etc. Consists of a plastic spool with windings of enameled copper wire having brass binding posts on square end supports. Includes a soft iron core rod of diameter 7” (180 mm).

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17 FAHNESTOCK CLIP (CONNECTOR) Item 3162-03 $0.05 For making temporary one wire electrical connections in low voltage electrical circuits. Made of brass.

With a hole for mounting.

FAHNESTOCK CLIP, PLATED Item 3162-02 $0.05 For making temporary one wire electrical connections in low voltage electrical circuits. Made of plated brass. With a hole for mounting.

CIRCUIT TESTER, DC VOLTAMETER 0 TO 5V, 0 TO 15V (VOM) Item 3232-10

ELECTRIC CALORIMETER Item 3237-00

$9.36

Help students determine the electrical equivilant of heat with this versatile double-walled calorimeter can be used with or without the electric heating element. When connected to a 6-volt battery, by the standard binding posts, the mounted heating coil will cause a temperature rise of about 5C in 10 minutes. The 1.7 cm thick styrofoam lining, plastic insulator ring, and aluminum heat reservoir are designed to control heat loss. Reservoir has 150 ml capacity and has a built-in thermometer cork.

Size: 4” diameter x 4” high (105x100 mm).

• Comes with a Teacher’s Guide.

Volt/Ohm/Milliammeter, 20K Ohm/V. Contains 23 ranges and is equipped with mirror-back scale, buzzer, battery tester and meter overload protection. Made of highimpact plastic with adjustable handle.

Includes test leads, batteries, carrying case and instruction manual. Size is 5 x 3 x 1.

Specifications: DC Voltage: Range = 0 to 2.5, 10, 50, 500, 1000V Sensitivity = 0000ohm/V AC Voltage: Range = 1 to 10, 50, 250, 1000V Sensitivity = 8000ohm/V DC Current: Range = 0 to 5, 50, 500mA, 10A on separate jack Resistance: R x 1, R x 10, R x 1000; Accuracy: + or ? 5% fs Protection: 1-A, 250V fuse and silicon double diode

SPECIFIC HEAT SPECIMEN CYLINDERS 13MM, SET/6 Item 3242-00 $4.54 For showing that when different metal cylinders are heated to the same temperature and immersed individually in an equal quantity of water, the rise in temperature of the water is directly proportional to the specific heat of the chosen metal cylinder. Individual cylinders can also be used for precise specific heat determination. Includes six cylinders made of aluminum, brass, copper, iron, lead, and zinc having diameters of 13 mm. The length of each cylinder is adjusted so that all of them have the same mass of approx 100 g.

$3.96

VERTICAL ACCELERATION DEMONSTRATOR Item 3558-00 $2.14 To show that a body launched horizontally will fall vertically at the same rate as a similar freely falling body. Consists of a push button activated spring-loaded launcher with holes for two steel balls 19 mm diameter acting as projectiles.

WATER CLOCK, GREEN Item 9456-40 $3.14 All you need to do is fill the reservoir with water and this clock starts working. Because the water is an electrolyte, it allows two metal pieces to act as a conventional battery. By adding a bit of lemon juice, you can help to enhance this process. The only maintenance required is to change the water periodically.

• Comes with a Teacher’s Guide • Color: green • CE certified • Approx. 4” (100 mm) W x 3.5” (90 mm) H

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18 TUNING FORK, ALUMINUM STANDARD a. Item 3610-02, 128Hz b. Item 3610-06, 288Hz c. Item 3610-12, 384Hz d. Item 3610-14, 426.6Hz a. $1.10 b. $0.77 c. $0.96 d. $0.52 For demonstrating the relationship between sound and vibrations, the energy transfer between resonating systems and as a source of standard frequencies. Milled from non-rusting non-magnetic aluminum bar stock.

Plain shank form.

MAGLEADS, 12”, CLEAR, PK/10 Item ML300C

TUNING FORK SET, 10 PIECE STANDARD Item 7020-10 $16.86 Frequencies: 100G, 128C, 256C, 288D, 320E, 341.3F, 384G, 426.6A, 480B, 512C With Mallet. Packed in a wooden box.

TUNING FORK SET, 14 PIECE ALUMINUM Item 7020-20 $12.12 Frequencies: 256C, 271C, 288D, 304E, 320E, 341.3F, 362F, 384G, 406G, 426.6A, 456.6A, 456B, 480B, 512C, 659E Premium Set. Packed in a wooden box.

$4.20 Instantly make working electrical circuits with these ingenious leads fitted with a tiny powerful magnet at either end. Place near to a battery case and it connects by itself and place next to a bulb holder connector and you have your first working circuit. The magnets with 4 mm dia works in all the places that standard clips work. Length: 12” (300 mm).

The handy packs of 10 come in clear.

TUNING FORK SET, 8 PIECE STANDARD Item 7020-39

CONNECTION WIRE WITH ALLIGATOR CLIPS RED / BLACK / YELLOW, PK/6 a. Item 9130-01, 16” b. Item 9130-02, 24”

CONNECTION WIRE WITH ALLIGATOR CLIPS, 36” a. Item 9121-01, Red b. Item 9121-02, Black

a. $0.54 b. $0.64 PVC insulated copper wire and 2” (50 mm) PVC insulated alligator clips on both ends. Comes in a pack of 6 with two each of the following three colors: black, yellow, and red.

• Diameter: 2.6 mm • Lengths available: 16” (400 mm) and 24” (600 mm) • 24” wires: 18 gauge copper wire • 16” wires: 22 gauge copper wire

$10.73 Tuning fork set with 8 standard diatonic forks. Packed in a cardboard box.

a. $0.08 b. $0.12 PVC insulated copper wire and 2” (50 mm) PVC insulated alligator clips on both ends.

• Color: Red , Black, • Length: 36” (900 mm) • Diameter: 2.6 mm • Gauge of Wire: 16” CONNECTION WIRE WITH ALLIGATOR CLIPS RED / BLACK / YELLOW / WHITE / GREEN 14”, PK/10 Item FRE-14 $0.80 Jumper cords are 14” (355 mm) long and 22 gauge with insulated alligator clips. Comes with two of each of the following five colors: white, yellow, red, green, and black.

• Comes in a pack of 10.

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19

PHYSICAL SCIENCE STEEL BAR MAGNET RED/BLUE 3”X1/2”X3/16”, PAIR Item 3101-01-R

STEEL HORSESHOE MAGNET 6” Item 3102-04

$0.62

$1.28

These bars are useful for student demonstrations, plotting magnetic fields, etc. They are made from magnetic steel strips. Each bar is painted red/red and stamped with N and S to indicate north and south poles.

• Supplied in pairs with cardboard separator and plated soft iron keepers • 3” (75 mm) L x 0.5” (12 mm) W x 0.19” (5 mm) thick

Suitable for many experimental and demonstration needs in general science and physics laboratory.

Traditional style. Made from 3/16” (5 mm) thick and approx 9/16” (15 mm) wide. Painted red and engraved with N and S to indicate north and south poles. Supplied with soft iron plated keeper (armature).

• Size: 6” (150 mm)

LARGE PLASTIC HORSESHOE MAGNET 8” Item 3102-25

GIANT PLASTIC HORSESHOE MAGNET 210 MM Item GHSMAG

$1.37

$1.98

Large 8” magnet, horseshoe shape with a handle makes it easy to hold and experiment. Plastic covered.

Powerful magnets (with North and South poles clearly marked) are housed at the ends of this impressive giant horseshoe magnet. Size: 210 mm high.

GIANT FLOATING RING SET Item GFRSET

MAGNET, CYLINDRICAL, ALNICO 50X10 Item 3107-03

$9.56 Two massive plastic cased ring magnets with their poles arranged laterally seem to defy gravity and float on a magical invisible cushion of magnetism. Suitable for ‘demonstration only’ - due to the weight and size of the ring magnets.

Ring magnet size: 4” diameter x 3/4” thickness (100x20 mm).

• CE Certified.

$2.74 These magnets are known for having high magnetic field. They are grounded on all sides. Approximate dimensions are 50mm (length) x 10mm (diameter).

Comes in a pair.

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20 PENDULUM BOB Item 3497-02

STEEL BALLS, PK/100 Item 3183-00

$2.59

$0.96

For various applications in physics laboratory. A cast iron ball of 79 mm diameter with two hooks on opposite ends. Enamel finish.

As a substitute for iron filings for studying the phenomenon of magnetic fields. Form clusters and chains between unlike poles of magnets. Polished, hardened spheres of 1/8” (3 mm) diameter.

Pack of 100.

SOLID BALL, 3/4” a. Item 3484-01, Aluminum b. Item 3484-02, Brass c. Item 3484-03, Copper

BALLS, SOLID, SET/14 a. Item 3484-10, 19 mm b. Item 3484-30, 25 mm

a. $0.34 b. $0.71 c. $0.98 For physics experiments and demonstrations such as density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 3/4” (19 mm) diameter.

Materials: Aluminum, Brass, Copper SOLID BALL, 1” a. Item 3484-22, Brass b. Item 3484-23, Copper c. Item 3484-25, Lead d. Item 3484-26. Zinc a. $1.57 b. $0.88 c. $1.20 d. $1.20 For physics experiments and demonstrations such as density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 1” (25 mm) diameter.

Materials: Brass, Copper, Lead, Zinc

a. $4.78 b. $7.69 Set of 14 balls. Two each of: aluminum, brass, copper, iron, lead, zinc and wood. Packed in a sturdy cardboard box. Solid ball.

Available in 19 mm and 25 mm diameter.

BALLS, SOLID, HOOKED, 25 MM a. Item 3486-23, Copper b. Item 3486-27, Wood a. $2.81 b. $0.61 For physics experiments and demonstrations such as density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid, Hooked ball, 25 mm diameter. Available in copper and wood.

SOLID DRILLED BALL, 1” a. Item 3488-22, Brass b. Item 3488-23, Copper c. Item 3488-26, Zinc

SOLID STEEL BALL, 7/8” Item 3488-78

a. $1.62 b. $2.44 c. $1.25

For physics experiments and demonstrations such as density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid ball, 7/8” (22 mm) diameter.

Made of Steel.

For physics experiments and demonstrations such as density and volume measurements, pendulum bob, potential energy and conservation experiments, ballistics etc. Solid, Drilled, 1” (25mm) diameter.

Available in Brass, Copper, Zinc

$0.24

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21 BUCKET AND CYLINDER Item 3534-00 $1.15

SPECIFIC GRAVITY BOTTLES, UNCALIBRATED 10 ML a. Item 3505-01 b. Item 3505-04

To demonstrate that a body submerged in water loses weight equal to the volume of water it displaces. Consists of two brass pieces of equal volume. A solid cylinder 60mm long with a suspension hook at one end and a close fitting hollow bucket with a suspension hook at the other end.

a. $0.77 b. $2.30

ACYLIC BALL 1” Item 3516-00

ACRYLIC CYLINDER 1”X1” Item 3517-00

$1.25

$0.37

Ball, diameter 1” (25 mm). Made of clear acrylic.

Cylinder, diameter 1”x1” (25x25 mm). Made of clear acrylic.

CYLINDER FOR DENSITY DETERMINATION, ALUMINUM Item 3530-00

LINEAR EXPANSION APPARATUS, ECONOMY Item 6454-87

$1.14

$5.62

The cylinder measures 75 mm long x 25 mm diameter with a suspension hook.

Ideal for younger students.

Economically and accurately determines the coefficient of expansion of various metals. Has an easy to read scale, calibrated in millimeters and supplied with three different expansion rods.

Also called Density Bottles or R.D. Bottles. Recommended For comparison purposes. Also for experience in calibration work.

Each bottle has a perforated stopper (about 1/32” (1 mm) bore) and a ground mouth for a proper fit. Made of borosilicate glass. Capacities available: 10 ml, 100 ml.

MAGNETIC GLOBE AND POLE FINDER DEMONSTRATOR Item MAGGPF $12.06 This two piece set comprises of a rubberized foam ball representing the Earth (with detailing of the continents and a strong magnet molded within it to create an invisible exterior magnetic field, similar to that of the Earth) and a hand held magnet called a Magnetic Pole Finder (which is a type of 3 dimensional compass). Place the Magnetic Pole Finder near to the globe and it tilts and orientates itself to clearly show the strength, direction and position of the magnetic flux anywhere around the Earth Ball. A really magical way to see and understand the Earth’s 3 dimensional Magnetic Field Pattern.

Comes with a Teacher’s Guide.

GIANT COMPASS, 4” Item GC100

COMPASS, MAGNETIC, 50 MM Item 3121-04

$3.38

$0.23

Tough plastic cased compass with lanyard. Marked with 8 compass points and full 360 degree scale round edges.

This plotting compass has direction indicated and a liquid-filled plastic body. It has a stable needle as well as a black base and white markings for clear visibility.

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22 MAGNET, ALNICO DISK Item 7221-30 $5.76

SMALL FERRITE BLOCK MAGNETS 9 X 9 X 40 MM, PACK OF 20 Item FB090940X20

Alnico disk magnet pair.

42 mm dia x 7 mm thick.

$0.20

METAL DISC SET BLANK 25 MM, PACK OF 8 Item MDSBL

POLE MARBLES a. Item POMAR100, Pk/100 in Tub b. Item POMAR20

$1.80 Sets include discs of brass, copper, bronze, nickel silver, mild steel, stainless steel, zinc and aluminium. Ideal for experiments to demonstrate magnetic properties and classifications of metals. Discs are supplied either stamped for identification or bl

Painted bar magnets, with red and blue poles, stamped with ‘N’ & ‘S’.

Size: 9 x 9 x 40 mm. Pack of 20.

a. $14.90 b. $2.98 Color coded plastic cased magnetic marbles. Not only do they attract and repel, the color coding reinforces that opposite attract and likes repel. Red will only ever stick to blue. Size: 5/8” (15 mm) diameter. Sold as a pack of 100 in a plastic storage tub or pack of 20.

MAGNET, RING, CERAMIC 32X18X6, SINGLE Item 3111-01G, Green Item 3111-01N, No Paint Item 3111-01R, Red

MAGNET, CIRCULAR/DISC, CERAMIC 18X4, SINGLE Item 3112-01

$0.05 each

Used in conjunction with plastic beads and ring magnets for motion and collision studies in physics and for other applications. Can be magnetized along any side.

Approximate dimensions are: 18 mm diameter x 4 mm height.

For collision studies in physics and other applications such as focusing magnet etc. Charged on the faces.

Approximate dimensions are: 32 mm (OD) x 18 mm (ID) x 6 mm (height).

BUZZING MAGNETS, PAIR Item 3115-00 $0.48 Separate the two super strong magnets made of hematite and toss them into the air and as they come together the magnets spin, twirl, and vibrate to create a most unusual sound, some describe it sounding like a buzzing! These black magnets have an ultra smooth finish but they are not indestructible and will break if dropped on a hard surface.

Approximate magnet length 1-3/4” (45 mm).

$0.02

MAGNET, RECTANGULAR BAR, 58X12.6X3 Item 3117-00 $0.56 Small but mighty, these magnets are great for classroom demonstrations.

They offer a powerful illustration of the force of magnetic fields.

• Sold in a set of 2 • Dimensions: 58 mm L x 12.6 mm W x 3 mm H each

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23

MECHANICS BRASS HOOKED WEIGHT a. Item 1010-20, 20 g b. Item 1010-50, 50 g c. Item 1010-200, 200 g a. $0.54 b. $1.02 c. $3.25 Use these weights for general science and physics laboratory work.

Each weight has a hook for added convenience. They are great for use with scales or in experiments.

• Sold in sets of 10

MASS WITH HOOK AND EYELET, 500 G Item 3406-66

HANGER FOR SLOTTED WEIGHTS 50G Item 3410-50 $1.20 This brass hanger has a top hook and a precise weight of 50g that makes this hanger ideal for use with slotted weights. Size: about 5/32” (4 mm) diameter and 5-1/2” (140 mm) length. Also sold as part of our deluxe brass weight set of 8 (Catalog item 3410-08).

MICROMETER CALIPERS (MICROMETER SCREW GAUGES) a. Item 3436-03, Plastic Case b. Item 3436-03, Wooden Box

$3.20

a. $1.44 b. $3.07

Chrome plated steel cylindrical mass with hook and eyelet for general science and physics laboratory work.

• Weight: 500g.

For measurement of small outside diameter, thickness etc. Ideal for engineering and technical schools to teach the working of this instrument.

Consists of a frame of solid brass body with a chrome satin finish and a hardened steel screw.

• Metric And English 0-1 Inch

SLOTTED MASS a. Item 3412-08, 200 g b. Item 3412-09, 500 g b. Item 3412-10, 1000 g

SPRING SCALES a. Item 619-02C, 500 g/5 N b. Item 619-06C, 5000 g/50 N

a. $4.06 b. $4.96 c. $10.75 For use with slotted masses on rack and 50 g hanger. Made of brass with standard slots as supplied on racks. Weights available: 200 g, 500 g, 1000 g PULL SPRING SCALES SPRING BALANCES METRIC NEWTON DUAL SCALE Item 3439-26 $0.42 For determining weights by spring elongation which is proportional to the applied force. For laboratory use.

Made of strong polystyrene with a flat anodized metal scale. Provided with a zero adjuster, suspension ring and a load hook.

Dual Scale: 20 N/2000 g

$0.68 each Dual scale spring scales to measure force (Newton) and mass (grams).

Clear acrylic body. Easy zero adjustment and color coded.

• Green - Scale 500 g/5N • Yellow - Scale 5000 g/50 N

SPRING SCALES, POUND/ NEWTON Item 3439-40 $0.53 Spring Scales with dual scale.

Pound/Newton: 0.56 lb x 0.02 lb/2.5 N x 0.1 N

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24 PULLEYS, PLASTIC TRIPLE Item 3470-03 $0.54

PULLEY PLASTIC TANDEM DOUBLE Item 3470-05

Made of rigid colored plastic with deep V-grooves. Balanced for free movement. Pulleys are about 50 mm in diameter and are mounted in parallel mode on aluminum strips with hooks at both ends. Individually packed.

$0.49 Made of rigid colored plastic with deep V-grooves.

Balanced for free movement.

Pulleys are about 50mm and 37mm in diameter and are mounted in tandem mode on aluminum strips with hooks at both ends. Individually packed.

PULLEY PLASTIC TANDEM TRIPLE Item 3470-06

PULLEYS, ALUMINUM DOUBLE PARALLEL Item 3474-02

$0.55

$1.42

Made of rigid colored plastic with deep V-grooves. Balanced for free movement. Pulleys are about 50 mm, 37 mm and 25 mm in diameter and are mounted in tandem mode on aluminum strips with hooks at both ends. Individually packed.

Pulleys with deep V-grooves are balanced for free movement.

Mounted on aluminum frame with hooks at both ends. Diameter 50 mm. Individually packed.

PULLEYS, ALUMINUM, TANDEM, DOUBLE Item 3474-14 $1.84 Two pulleys 50 mm and 37 mm, with V-grooves, mounted in aluminum frame with a hook atthe ends.

PULLEY STUDENT SET Item 3472-10 $87.60 Comprised of a rectangular laminated wooden base approx 5”x6” (125x150 mm) which supports a threaded rod measuring about 1/2”x24” (12.5x610 mm) in a metal flange, fitted with a capstan and a screw eye. Six clamps (hook collars) are provided for suspending pulleys and cords on an adjustable cross rod approx 3/8”x8” (9.5x200 mm), held by a right-angle clamp.

Rods, pulley and clamps are made of either plated metal or polished aluminum. Slotted weights and weight hangers are made of nickel plated steel. Supplied with: 8 single pulleys, 2 double sheave pulleys, 1 wheel and axle, 7 weight hangers (5 of 50 g and 1 each of 10 g and 20 g), 6 slotted weights (1 of 10 g, 2 of 20 g ,1 of 100 g, 1 of 500 g and 1of 1000 g), 1 right-angle clamp, 1 spool of cord, 1 tommy bar to tighten the vertical rod, Comes with an instruction manual.

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25 WHEEL AND AXLE Item 3556-00

STOPWATCH, ANALOG Item 3561-00

$4.24

$11.68

For determining the mechanical advantage and demonstrating the principle of conservation of energy.

Consists of four-step wooden wheel of 35, 50, 65 and 105 mm diameters fitted with ball bearings, turning on a single, plated steel rod which can be clamped to a support stand using a right angle clamp. Each wheel has a flat groove to accept several turns of a cord with a small hole at each groove for holding a knotted cord.

Can be fitted to a support stand with a right-angle clamp not included).

Recommended for use with nylon twine.

Dial is divided into 30 seconds with 1/10 second graduations.

Has 0 to15 minute registry. Easy to read numerals. Housed in a plated metal case a with glass covered dial. Mechanical 15 jewel lever movement. Start, stop, and reset operations are accomplis Single action.

QUADRUPLE BEAM BALANCE Item 311-00

LOOP-THE-LOOP TRIPLE Item 6451-55

$46.20

$14.40

Made of high quality Aluminum alloy and Stainless steel. Convenient direct beam graduation.

• Capacity: 311 grams • Readability: 0.01 grams • Platform (Dia): 9.1cm • Beam: 200 x 100g, 1 x 0.01g, 100 x 10g, 10 x 1.0g • Chrome Plated Steel Cylindrical

Three Aluminum channels with a loop mounted on wood base with steel balls 13mm dia. Simple Demonstration of conservation of Energy. Place the ball at the top of the track. Release the ball. The ball travels down the track, in a loop, without leavin the track.

DUAL LEVER BALANCE Item 6454-22

GEOMETRIC SOLID, HARDWOOD, SET/6 Item SCI-1200

$10.66 An inexpensive and accurate single pan balance with two ranges.

Balance frame is constructed of an aluminum die-casting on a cast-iron, three-point base.

• Ranges 0-250 x 2g, 0-1000 x 10g.

• Dimensions (Overall) 385 mm H x 290 mm W

ARCH (ROMAN BRIDGE) Item 3483-00 $6.60 Ingenuity and architectural brilliance inspired the ancient Romans to incorporate form and function in to their designs. Arches allowed aqueducts to flow freely and provide sufficient water for growing cities.

This large block set allows children to use and learn the same relevant engineering principles create by this ancient civilization.

$1.52 Give your students the hands-on experience of working with these wooden shapes to explore geometric principals. Pieces range in sizes from two to three inches. Natural wood finish.

• Packaging: Strong zipped poly storage bag Six Piece Set includes: • Square Equilateral Prism (25 mm x 75 mm length) • Cube (5 cm) • Cylinder-Narrow (25 mm dia x 75 mm length) • Triangular Pyramid (47 mm dia base x 85 mm height) • Circular Cone (5 cm dia base x 8 cm height) • Sphere (5 cm dia)

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26

OPTICS AND MICROSCOPES

PREPARED SLIDES, STARCH, SET/12 Item SP-1200

PREPARED SLIDE SET, HUMAN/ ANIMAL, SET/25 Item 1450-00

PREPARED SLIDE SET C, DELUXE BEGINNER BIOLOGY, SET/24 Item 1300-00

PREPARED SLIDES, SPIDER W.M., PK/25 Item 91-5616

$3.02

$7.56

$6.49

$5.40

Starch Set of 12 includes: • Arrowroo Starch Grains • Red Bean Starch • Wheat Starch • Pink Bean Starch • Sweet Potato Starch • Corn Starch • Broad Bean Starch • French Bean Starch • Greenpeas Starch • Taro Starch • Potato Starch • Rice Starch

These are college-level quality slides with high contrast staining. There are 25 different slides, and they come in a hard-shell, plastic case. The slides include botany, human, and animal samples, with no repeats. These slides are suitable for high school, college, or any amateur biologist.

This is a general slide set good for younger or beginning students in biology. All slides are labeled and packed in a plastic case. It is optimal for both academic and amateur use.

Prepared Slides, Spider w.m. in a pack of 25.

• Plant cells (wm) • Monocot root (cs) • Monocot stem (cs) • Dicot root (cs) • Dicot stem (cs) • Muscle striated (wm) • Mammal adrenal gland (cs) • Nerve cells (smear) • Human bone marrow (smear) • Adipose tissue (cs) • Epithelium columnar (skin) • Epithelium squamous • Muscle cardiac • Mammal pituitary gland (cs) • Mammal thyroid gland (cs) • Mammal brain (cs) • Human cartilage (ts) • Human blood smear • Human bone (cs) • Human skin (vs) • Human liver (ts) • Mammal kidney (ts) • Mammal lung (ts) • Mammal oesophagus (ts) • Human ovary (ts)

• Head louse eggs wm • Fruit fly wm • Mosquito Larva • Insect egg • Fern prothallus • Anther ts • Sunflower pollen • Lily pollen • Wool fibre • Cotton fibre • Silk fibre • Hemp fibre • Termite wing wm • Bee leg wm • Insect leg wm • Butterfly wing wm • Feather wm • Human hair • Rabbit hair • Fish scale wm • Monocot root ts • Monocot stem ts • Leaf vs • Pine Stem ts

WIRELESS DIGITAL MICROSCOPE 200X Item 1315-50 $62.40 This microscope gives you easy access to a close up view on common items around the house or the creepy crawlies from your backyard. The hand held device lets you manipulate the microscope to view just about anything you may wish. It’s easy one-touch focus wheel makes the magnifying power of up to 200X simple to control. This Microscope conveniently allows you to capture your view by still image or video with the press of a button. The wireless sensor connects via USB to any Mac or PC. PC software is included; works with “Photo Booth” on Mac platform. Comes with detacheable charging cable that can be connected to computer or outlet.

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27 LENSES SPHERICAL, UNMOUNTED BI-CONVEX LENS a. Item 3305-07, 1.5” Dia x 12” Fl b. Item 3305-21, 2” Dia x 2” Fl c. Item 3305-25, 2” Dia x 8” Fl d. Item 3305-41, 3” Dia x 6” Fl e. Item 3305-45, 3” Dia x 8” Fl

LENSES SPHERICAL, UNMOUNTED BI-CONCAVE LENS a. Item 3309-04, 38mm x 150mm Fl b. Item 3309-07, 38mm x 300mm Fl c. Item 3309-22, 50mm x 100mm Fl d. Item 3309-24, 50mm x 150mm Fl

a. $0.25 b. $0.48 c. $0.32 d. $0.98 e. $0.79

a. $0.22 b. $0.30 c. $0.32 d. $0.44

Made of polished glass with ground edges. Bi-convex lens: Magnifying or condensing lenses, with two outward curving symmetrical faces. Diameter and focal length varies (see above).

Made of polished glass with ground edges. Bi-concave lens: Used for reducing the size or spreading out light, with two inward curving symmetrical faces. Diameter and focal length varies (see above).

NEUTRALISING LENS SET, GLASS Item 3315-00

WATCH GLASSES 3-1/2”, PK/12 Item 2086-04

$0.96

$3.08

Comprised of one each of biconcave and biconvex lens, 38mm in dia. and 15.5cm focal length, which when used together Neutralize each other, the resulting effect being that of a plane glass.

Made of heavy wall plate glass, with fired edges, 3-1/2” (90mm) diameter.

Pack of 12.

LENSES To focus light along a straight line. Useful for looking at full paths of rays on paper, such as pencils of light emerging from the slits of a comb illuminated by a small lamp. Made of optically true glass with polished faces and ground edges.

Surfaces follow the sides of cylinder(s). Beveled edges.

• Dimensions and focal lengths vary.

LENSES, CYLINDRICAL, GLASS BI CONVEX Item 3318-01 $2.44 LENSES, CYLINDRICAL, GLASS BI CONCAVE Item 3318-02 $2.54 LENSES, CYLINDRICAL, GLASS POWER 14D BI CONCAVE Item 3318-12

LENSES, CYLINDRICAL, GLASS POWER 14D PLANO CONVEX Item 3318-13 $2.76 LENSES, CYLINDRICAL, GLASS POWER 14D PLANO CONCAVE Item 3318-14 $3.13

$2.76

Phone: (614) 764-9002 • Toll Free: (1-888) 490-9002 • E-Mail: office@american-scientitic.com • Fax: (614) 764-9043

28 PRISMS, EQUILATERAL, ACRYLIC Item 3328-01, 25 mm x 25 mm Item 3328-02, 25 mm x 50 mm $0.43 $0.35 Use these prisms for experiments on wavelength separation applications.

Make of Acrylic. Dimensions vary (see above).

GLASS EQUILATERAL PRISM 3”X3/8” Item 3340-04 $2.28

PRISMS, RIGHT ANGLE, GLASS 37 MM X 32 MM Item 3335-01 $1.02 For measuring critical angle and observing total internal reflection.

Made of clear optical glass. Angles 90 degrees, 45 degrees, 45 degrees.

Approximate dimensions are 35 mm (face) x 25 mm (length).

ACRYLIC PRISM, TRAPEZOIDAL Item 3351-02 $0.85

For index of refraction experiments.

Made of glass. Approximate dimensions are are 3” side x 3/8” thickness (75 x10 mm).

For studying the laws of optics. Made of 15 mm thick and 32 mm wide with two parallel sides 90 mm and 40 mm long at angles of 45 and 60 degrees. One large surface is frosted enabling to follow the path of light.

LENSES, ACRYLIC BI CONVEX Item 3352-01

LENSES, ACRYLIC BI CONCAVE Item 3352-02

$0.78

$0.71

Acrylic Bi-convex lens. Approximate dimensions are 90 mm long and 15 mm thick plate and 25 mm center width. Bottom surface is frosted.

Acrylic Bi-Concave lens.

Approximate dimensions are 60 mm long, 15 mm thick plate, and 18 mm center width, bottom surface is frosted.

GLASS SEMICIRCULAR BLOCK 3-1/2” X 1/2” Item 3353-01

ACCESSORIES FOR HARTL OPTICAL DISK, SET/7 Item 3358-05

$1.92

$7.68

Made of glass. Diameter 3-1/2” and thickness 1/2” (90 x 12 mm).

Includes the following glass lenses or prisms. Frosted faces. Note: The optical elements are fixed on the metal disk by means of clamping screws which are provided with the Hartl Optical Disk. Thickness 10mm. Packed in a velvet lined wooden box.

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29 STUDENT SPECTROMETER Item 3380-00 $72.54 For introducing students to principal type of spectra, determination of wavelength, frequency of emitted light and for quantitative spectrometric measurement of angle of prism, refractive index of the prism material etc. Comprised of a cast base with an integral fixed pillar for the collimator support and a swinging telescopic arm. Both the collimator and the telescope are fitted with an axis adjustment system. The moving telescope arm with a spring loaded vernier moves smoothly over a machine engraved degree plate of diameter 180mm and is graduated 0-360° x 1. The vernier reads to 0.1° or 6 seconds and allows students to estimate angular positions to 0.05°. Fine adjustment is provided. The collimator and the telescope tubes are fitted with optically coated achromatic objectives of diameter 25mm and have a concealed helical action focusing device. The 10X Ramsden eyepiece has a cross hair reticle. The prism table, diameter 75mm is leveled by three knurled knobs. It is fitted with a diffraction grating holder of aperture 25 x 25mm and a clamp for holding a prism up to 38mm high. Provided with a magnifying eye glass and a tommy bar for axis adjustment but without prism or diffraction grating. Supplied in a cardboard box.

DIFFRACTION GRATINGS a. Item 4309-01, 100/2400 b. Item 4309-02, 300/7500

STROBOSCOPE, HAND DRIVEN, SIMPLE MODEL Item 3374-00

$10.98 each

$3.61

Diffraction grating pressed between clear glass plates. Ideal for classroom demonstration. Size 60mm x 40mm.

View area: 45mm x 30mm. a. 2400 lines per inch (100mm). b. 7500 lines per inch (300mm).

For optically slowing or completely stopping any object in motion and for measuring the frequency of periodic motion. Consists of a black metal disk of 250mm diameter with 12 evenly spaced radial slits extending to its edge.

ELECTROPHORESIS POWER SOURCE Item 8144-00

TILE, OVERHEAD, COLOR, 1” SQUARE, 4 COLOR, SET OF 52 Item 9420-00

$55.24

$2.09

A perfect compliment to the electrophoresis tank is this variable voltage power supply, which can accommodate up to 3 double-gel electrophoresis tanks simultaneously.

Allows you to select voltage from 3 settings: 50V, 100V, or 125V. Measures approximately 8-1/2”x7”x3-3/4” (216x175x95mm).

Comes with a Teacher’s Guide.

Colorful, transparent, acrylic overhead tiles. Includes 52 square tiles in blue, green, yellow and orange (13 each).

Dimensions: 1x1”

EYEPIECE, HUYGENIAN 10X Item 1321-10 $1.84

OBJECTIVES, ACHROMATIC Item 1341-30, 100X Item 1345-05, “Din” 4X Item 1345-20, “Din” 45X Din R

This eyepiece is for use with microscopes like the Shinco-Scope (Item 9000-00).

$8.72 $7.31 $11.51 Use this objective lens with your microscope to see the world in close detail.

Phone: (614) 764-9002 • Toll Free: (1-888) 490-9002 • E-Mail: office@american-scientitic.com • Fax: (614) 764-9043

30 MIRRORS, SPHERICAL CONCAVE a. Item 3360-21, 50 mm Dia x 10 cm Focal length b. Item 3360-22, 50 mm Dia x 15 cm Focal lentgh c. Item 3360-23, 50 mm Dia x 20 cm Focal lentgh d. Item 3360-27, 50 mm Dia x 100 cm Focal lentgh a. $0.36 b. $0.24 c. $0.36 d. $0.60 Made of optically true glass, with protected silver coating. For use in basic experiments in optics.

Diameter and focal length vary (see options above).

MIRRORS, SPHERICAL CONVEX a. Item 3362-21, 50 mm Dia x 10 cm Focal length b. Item 3362-22, 50 mm Dia x 15 cm Focal length c. Item 3362-23, 50 mm Dia x 20 cm Focal lentgh d. Item 3362-27, 50 mm Dia x 100 cm Focal lentgh e. Item 3362-44, 75 mm Dia x 25 cm Focal length a. $0.25 b. $0.36 c. $0.46 d. $0.60 e. $0.54 Made of optically true glass, with protected silver coating. For use in basic experiments in optics.

Diameter and focal length vary (see options above).

MICROSCOPE SLIDES WITH 2 DEPRESSIONS, PK/12 Item 1035-02

COVER SLIPS, GLASS, PK/100 Item 9119-11, 24 x 24 mm Item 9119-80, 19 x 19 mm

$1.86

a. $0.36 b. $0.30

Use these slides for holding liquids and cultures for microscopic examination. They are made from selected 1.5 mm-thick microscope slides, 75 mm L x 25 mm W, with ground edges. The spherically polished cavities are of 13 mm Dia. with 0.5-0.6 mm depth.

Sold in packs of 12

SLIDES, GLASS, 25 MM X 75 MM, PK/12 Item 9119-12 $0.26 Glass Microscope Slides • Dimensions: 25 mm x 75 mm • Comes in Pack of 12

Pack of 100 slip in a box.

MICROSCOPE SLIDES WITH ONE SIDE FROSTED, 75 MM X 25 MM, PK/50 Item 9119-50 $0.56 Glass microscope slides with one side frosted. Clean and interleafed.

Size 75mm x 25 mm. Thickness 1 1.2mm Pack of 50.

MICROSCOPE SLIDE CARRIER FOR 2 SLIDES Item 9116-10 $0.06 Great value for storage, carrying or shipping 1 or 2 microscope slides.

American Scientific, LLC • Wholesale Distribution, Manufacturing, and Export • Science for all!

31

Phone: (614) 764-9002 • Toll Free: (1-888) 490-9002 • E-Mail: office@american-scientitic.com • Fax: (614) 764-9043

32

INDEX A

Accessories for Hartl Optical Disk, Set/7 Acrylic Cylinder 1”x1” Acrylic Prism, Trapezoidal Acylic Ball 1” a. Item 5565-03, 10 ml a. Item 5714-21, 25 ml Aquatic Net Arch (Roman Bridge)

28 21 28 21 9 8 5 25

B

Balls, Solid, Hooked, 25 mm 20 Balls, Solid, Set/14 20 Beaker Tongs, 50 ml To 600 ml 12 Bicycle Wheel 14 Biology 4 Bioplast, Biological Symmetry 4 Bioplast, Honey Bee Life History, Six Stages 4 Bioplast, Housefly Life History 4 Bioplast, Insects Specimen, Set/4 4 Bioplast, Plant Specimen, Set/4 4 Bioplast, Root System 4 Bioplast, Sea Life Specimen, Set/4 4 Brass Hooked Weight 23 Bucket And Cylinder 21 Buzzing Magnets, Pair 22

C

C-Clamps 2” 12 Centrifuge Tubes, Conical Bottom, Graduated 15 ml 7 Circuit Tester, Dc Voltameter 0 To 5V, 0 To 15V (Vom) 17 Clamp Extension, Four Prong 12 Clear Plastic Geoboard 9”X9” 11 Compass, Magnetic, 50 mm 21 Condensers Graham Coil Type 300 mm 24/40 8 Connection Wire With Alligator Clips, 36” 18 Connection Wire With Alligator Clips Red / Black / Yellow, Pk/6 18 Connection Wire With Alligator Clips Red / Black / Yellow / White / Green 14”, Pk/10 18 Cork Borer Sharpener 9 Cork Borers Set/3 9 Cork Borers Set/6 9 Cover Slips, Glass, Pk/100 30 Creative Brick Intelligent Control Kit (C1-P) 14 Creative Brick Stem Kit (C1-S) 14 Crucibles Tall Form Porcelain 10 Crucibles Wide Form Porcelain 10 Crucible Triangles Porcelain 60 mm 10 Cylinder For Density Determination, Aluminum 21

D

Diffraction Gratings Digital Instant Read Thermometer C/F Dish Tongs Dissecting Straight Scissors, 125 mm Dissecting Straight Scissors Iris, 4 1/2” Dual Lever Balance Dynamic Trolley

E

29 13 12 6 6 25 14

Electric Calorimeter 17 Electrodes, Flat With Binding Posts Carbon 16 Electrophoresis Power Source 29 Energy 16 Equilibrium Tubes 7 Eyepiece, Huygenian 10X 29

F

Fahnestock Clip (Connector) Fahnestock Clip, Plated Filter PapeR, 15 cm, Pk/100 Flask, Erlenmeyer, Narrow Neck, Conical, Graduated Flask, Erlenmeyer , Wide Neck, Conical, Graduated Flat Electrodes Carbon Friction Pad (Exciting Pad) Silk Flannel Friction Pad (Exciting Pad) Wool Flannel Funnel, Plastic Funnels Hirsch Porcelain Funnel, Short Stem, 45 mm

G

Gas Measuring Tubes General Science Geometric Solid, Hardwood, Set/6 Giant Compass, 4” Giant Floating Ring Set Giant Plastic Horseshoe Magnet 210 mm Glass Beaker 600 ml, Pk/8 Glass Equilateral Prism 3”X3/8” Glass Semicircular Block 3-1/2” x 1/2” Graduated, Borosilicate Glass Beaker, 10 ml

H

Hanger For Slotted Weights 50G Hoffman Electrolysis Apparatus, Base, Rod, 2 Clamps Only Hoffman Electrolysis Apparatus, Complete Hoffman Electrolysis Apparatus, Glass And 4 Electrodes Only Humanoid Robot Basic Kit (H1-B) Humanoid Robot Standard Kit (H1-S)

I

Induction Coil Iq Key Perfect 400 Robotic Stem Kit Iron Core Solenoid

17 17 9 8 8 16 16 16 9 9 7

7 13 25 21 19 19 8 28 28 8

23 11 12 12 14 14

16 15 16

L

Laboratory 7 Large Plastic Horseshoe Magnet 8” 19 Lenses 27 Lenses, Acrylic Bi Concave 28 Lenses, Acrylic Bi Convex 28 Lenses, Cylindrical, Glass Bi Concave 27 Lenses, Cylindrical, Glass Bi Convex 27 Lenses, Cylindrical, Glass Power 14D Bi Concave 27 Lenses, Cylindrical, Glass Power 14D Plano Concave 27 Lenses, Cylindrical, Glass Power 14D Plano Convex 27 Lenses Spherical, Unmounted Bi-Concave Lens 27 Lenses Spherical, Unmounted Bi-Convex Lens 27 Lightning Ball 8” 13 Linear Expansion Apparatus, Economy 21 Liquid Expansion Bulb 13 Loop-The-Loop Triple 25

M

Magleads, 12”, Clear, Pk/10 Magnet, Alnico Disk Magnet, Circular/Disc, Ceramic 18x4, Single Magnet, Cylindrical, Alnico 50x10 Magnetic Globe and Pole Finder Demonstrator Magnet, Rectangular Bar, 58x12.6x3 Magnet, Ring, Ceramic 32x18x6, Single Mass With Hook And Eyelet, 500 g

American Scientific, LLC • Wholesale Distribution, Manufacturing, and Export • Science for all!

18 22 22 19 21 22 22 23

33

INDEX Mechanics 23 Metal Disc Set Blank 25 mm, Pack of 8 22 Micrometer Calipers 23 Microscope Slide Carrier For 2 Slides 30 Microscope Slides With 2 Depressions, Pk/12 30 Microscope Slides With One Side Frosted, 75 mm x 25 mm, Pk/50 30 Mirrors, Spherical Concave 30 Mirrors, Spherical Convex 30 Model of Animal Cell 6 Model of Human Eye 5 Model of Human Heart 5 Model of Human Lung 5 Model of Human Torso 5 Model of Leaf Structure 6 Model of Plant Cell 6 Model of Plant Mitosis 6 Model of the Human Brain 5

N

Neutralising Lens Set, Glass

O

Objectives, Achromatic Optics and Microscopes

P

Pendulum Bob Pestle And Mortar Sets Porcelain Physical Science Pipette Filler (Rubber) Plastic Bioplast Mount, Beetle Plastic Bioplast Mount, Crab Plastic Bioplast Mount, Wasp Plastic Griffin Beaker 2,000 ml, Each Pole Marbles Prepared Slide Set C, Deluxe Beginner Biology, Set/24 Prepared Slide Set, Human/Animal, Set/25 Prepared Slides, Spider W.m., Pk/25 Prepared Slides, Starch, Set/12 Prisms, Equilateral, Acrylic Prisms, Right Angle, Glass 37 mm x 32 mm Probe and Seeker, Small Pulley Plastic Tandem Double Pulley Plastic Tandem Triple Pulleys, Aluminum Double Parallel Pulleys, Aluminum, Tandem, Double Pulleys, Plastic Triple Pulley Student Set Pull Spring Scales Spring Balances Metric Newton Dual Scale

Q

Quadruple Beam Balance

27

29 26

20 10 19 10 5 5 4 8 22 26 26 26 26 28 28 6 24 24 24 24 24 24 23

25

R

Retort 8 Ring Stand With Base And 2 Clamps 11 Round Bottom Flask, 100 ml Cap, 19/22 Joint 8 Rubber Tubing 10

Small Ferrite Block Magnets 9 x 9 x 40 mm, Pack of 20 Small Moroccan Geode, Bag/100 Solar Cell Dolly Solid Ball, 1” Solid Ball, 3/4” Solid Drilled Ball, 1” Solid Steel Ball, 7/8” Spare Wick And Holder For Alcohol Burner Angular Spatula, Plastic, 8 in Specific Gravity Bottles, Uncalibrated 10 ml Specific Heat Specimen Cylinders 13Mm, Set/6 Spring Scales Spring Scales, Pound/Newton Steam Trap (Water Trap) Steel Balls, Pk/100 Steel Bar Magnet Red/Blue 3”X1/2”X3/16”, Pair Steel Horseshoe Magnet 6” Stethoscope, Teaching Stopwatch, Analog Stroboscope, Hand Driven, Simple Model Student Spectrometer Support Stands Rectangular, Cast Iron Bases (6X4in) -- No Rod Support Stands Rectangular, Cast Iron Bases (6X4in) -- Rod Only Support Stands Rectangular, Cast Iron Bases (12X6in) -- With Rods Support Stands Rectangular Steel Bases (8X5in) Support Stands, Rectangular, Steel Bases 300X150 (12X6in)

T

Table of Contents Teasing Needles, With Handle, Bent Test Tube Holder, Cross Pattern Test Tube Rack, Polypropylene Test Tube Stand, Aluminum Thermometer, Wall, Dual Scale Economy Three Global Model, Manual Tile, Overhead, Color, 1” Square, 4 Color, Set of 52 Tripod Bases With Rods 100 mm (4in) Tubes, Test, With Sidearm 20X150 mm Tuning Fork, Aluminum Standard Tuning Fork Set, 8 Piece Standard Tuning Fork Set, 10 Piece Standard Tuning Fork Set, 14 Piece Aluminum

U

Universal Adapter U-Shaped Drying Tubes

V

Vernier Caliper, Dual Scale, Improved Design, Wooden Box Vertical Acceleration Demonstrator

W

Watch Glasses 3-1/2”, Pk/12 Water Clock, Green Wheel And Axle Wire Gauze Squares Wireless Digital Microscope 200X

S

Seismograph 13 Separatory Funnels, Pear Shape, Ptfe Stop Cock, 500 ml 7 Simple Hand Microtome in a Wooden Box 5 Slides, Glass, 25 mm x 75 mm, Pk/12 30 Slotted Mass 23 Phone: (614) 764-9002 • Toll Free: (1-888) 490-9002 • E-Mail: office@american-scientitic.com • Fax: (614) 764-9043

22 6 16 20 20 20 20 10 9 21 17 23 23 7 20 19 19 13 25 29 29 11 11 11 11 11

3 6 12 12 12 13 13 29 11 7 18 18 18 18

13 7

14 17

27 17 25 9 26

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