New Sales ldeas

(TeU then gou scut it in The Calilonb Lumber Merchant)

New Literature

size calculator extremely useful in his work. Operation of the rule is simple and the results are accurate. To multiply, divide and find proportions is easy and exceptionally fast with this convenient circular .rule. Complete easy-to-follow instructions will be included with each slide rule. - neer or other business executive, write to receive a slide rule, and General Industrial Co. will be pleased to send one fc 50c.

Prec Roue. Emsco's prehung door monag€r, with new exlerior unit Emsco Plywood, of Oakland, has established a Prehung door department manufacturing both interior and exterior door units expressly for the lumber dealer trade. In starting the new division, Emsco is offering the first

FREE... Circular Slide Rule

General Industrial Co. has started production on a handy Circular Slide Rule for engineers and for other plant and office executives. Any executive who must perform simple calculations will find this convenient, pocket-

For your free Circular Slide Rule write on your business letterhead to Ge,neral Industrial Co., 1788J Montrosc Ave., Chicago 13, Illinois and be sure to mention the name of this magazine. To those of our readers who do not qualify as an engi-

Knife Grinding and Woodworking Manual, written in clear, concise, everyday, "shop talk" language for the actual machine operator as well as the plant superintendent, foreman, and engineer, discusses moulder operation; moulder and planer stoppages and their remedy; machining defects in wood and their remedy; cutting speed, f eed speed, and energy consumption of machining wood; the correct method of grinding, balancing, setting and jointing knives; use of proper cutting angles and safety and other worthwhile subjects. It is 10'x11", contains 167 pages with 187 action ,pictures, charts and drawings, and is offered on a money back guarantee of $5.00 including postage and mailing fee. Write C. G. Monnett, Jr., P.O. Box 840, Greensboro, N. C.