This is a old collectible Devco mechanical slide pencil. I have many machinist and mechanical drawing items that were from an elderly mans estate. I can hear pencil lead when I shake it, but I am not

 

ANTIQUE MEDICAL BOOKMICROBIOLOGYAND ELEMENTARY PATHOLOGYBYCHARLES G. SINCLAIR, B.S., M.D.MAJOR MEDICAL CORPS, U.S. ARMY, FORMER INSTRUCTOR IN BACTERIOLOGY AND PATHOLOGY, ARMY MEDICAL SCHOOL, INSTRUCTO

 

FOR SALE IS EXCELLENT CONDITION RIEFLER OF GERMANY DRAFTING / DRAFTSMAN SET THIS IS COMPLETE AND IN EXCELLENT CONDITION 2 EXTRA SCLAE RULERS ARE INCLUDED ALL ARE HOUSED IN A NICE SECURE METAL CASE THA

 

This LOGA calculator is in excellent condition, the wooden case it's in is in fair condition. DESCRIPTIONThis large cylindrical slide rule consists of an aluminum frame supporting a horizontal rotatin

 

Superb Cased SKALA 7 1/2" Plated Brass Proportional Dividers vgc Od Tool Click Images to Enlarge You are bidding on a superb example of a vintage Cased Pair of 7 1/2" Plated Brass & Steel Proporti

 

 

This is a hand made kaleidoscope by artist, Dan Curry. Dan was known for making quality kaleidoscopes out of found objects – vases, antiques, discarded items. As a result, they were pretty much uniq

 

Vintage SHORTLAND SB Compensated Wall Hanging BAROMETER - Approx. 9" Diameter mebarc Store

 

Very nice used BF McDonald aluminum hard hat. Inner brim is intact and the leather & fabric straps are in great condition. Exterior is in good used condition with a few scratches and scuffs, consi

 

Brand New Style #495, The Ultimate META-MINER metacarpal mechanics mining gloves, foam padded back, TPR on back of fingers & thumbs, reinforced palm patches, fluorescent orange spandex back for sa