216 W. & S. Jones Portable Monocular Microscope, 30 Holborn, London, 19th century, lacquered brass instrument with a circular base engraved in script as above, gimbaled mirror, round pillar with rackwork focusing, square stage with hold downs, screw-mount main barrel, and live-box, housed in a mahogany fitted box, instrument ht. 10 1/2 in. $400-600 217 Lacquered Brass Culpeper-type Microscope, late 18th/early 19th century, brass tube supported by three scrolled feet on circular mahogany base, rackwork focusing, threaded eyepiece, circular stage with spring slide-holder, and gimbaled mirror, housed in a pyramidal mahogany case with lower drawer containing four numbered objectives, and four bone specimen slides, box ht. 13 in. $500-700
218 Three Acorn-type Microscopes, 18th/19th century, two brass examples with screwmount bodies, one complete with small round lens, prick, and interior magnifier, the other lacking lens and prick, and a bone example with small round lens and prick, ht. 1 1/2 to 2 in. $200-300
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219 Reproduction Leeuwenhoeck Simple Microscope, lens held between two riveted brass plates, stage with rounded step design, specimen pin and focusing screw, main screw with pierced handle, lg. 2 1/2 in. $100-150 220 Eleven Field or Handheld Magnifiers, 19th/20th century, four Codington magnifiers, two with turned wood handles, two brass double-capped magnifiers, four Stanhopetype magnifiers, and a small three-lens magnifier. $200-250 221 Two Livebox or Compressor Microscopes, third quarter 19th century, lacquered brass heads with delicately turned wooden handles, lg. 4 1/4 and 4 3/4 in. $100-150
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