Offered here without reserve is this truly rare spiked tommy. While normally associated with mining, the unique gimbaled assembly (in fully working order so that the candle is unaffected by the angle

 

8” Circular Binary Trig Slide Rule Copyrights 1931 / 1940 · I guess the © 1931 slide rule was eventually mated with the © 1940 slide rule to get this one. · Printed area has 8” diameter. Full

 

VINTAGE 1940's TRIANGULATOR SLIDE RULE MAKES TRIGONOMETRY EASY POCKET SIZE Click image to enlarge Description 9/17    A terrific collectible - A 1940s 'TRIANGULATOR' SLIDE RULE!  'MAKES TRIGONOMET

 

FROM A LOCAL ESTATE. VERY GOOD CONDITION. IT WAS USED LITTLE.. NO RESERVE.

 

THIS IS A VINTAGE PAIR OF OPTICIANS EYE TEST SPECTACLE FRAMES,THEY ARE MARKED THE CROYDONIAN,THEY LOOK TO BE COMPLETE AND WORKING BUT HAVE SOME WEAR. IF YOU HAVE ANY QUESTIONS PLEASE EMAIL ME,I DO COM

 

You are bidding on an Early Brass MICROSCOPE This microscope is in working order and comes with it's fitted mahogany case. All hinges and clasps are in order. When extended the microscope is 16cm tall

 

Here is a very-good-condition, vintage wooden slide rule from Keuffel & Esser Co. that comes with its original leather case. The slide rule measures about 10.5 in. long and features equivalents an

 

Your browser does not support JavaScript. To view this page, enable JavaScript if it is disabled or upgrade your browser. Click Here. Double your traffic. Get Vendio Gallery - Now FREE! TWO SETS OF OL

 

These 5 slides are all thin sections of rock and best viewed under polarised light. The most striking image is the only slide without any information ,but looks to be a form of granite. The next is Fe

 

A Wonderful Huge 1st Edition Antiquarian Book dated c1856. As can be seen its front hardback cover has become detached BUT the Book itself is complete and intact of all its 696 Pages PLUS its Many Pla