VINTAGE GERMAN POCKET SLIDE RULE WITH CASE AND INSTRUCTIONS IN GERMAN SUPERB CONDITION PLEASE SEE HI-RES PHOTOS FOR EXACT CONDITION BRIEF TERMS Please wait to be invoiced at auction end. Insurance is

 

Vintage ATCO Barometer Great vintage ATCO barometer. Wood case with brass colored spokes. Marked on back Germany. In very good condition. Some normal wear to spokes but all are intact. None missing. G

 

Item to be paid in 3 days. Thanks for the looks, Jim Posted with the eBay Android app Posted with eBay Mobile Posted with eBay Mobile

 

Alro 200R Very rare dutch circular slide rule ALRO 200R After 2 years I have started again to sell some of my slide rules and some other interesting things about calculating. I offer a very rare dutch

 

Up for sale is this Vintage Lufft Abbeon Certified Hygrometer. This hygrometer is still in the original box with the test certificate. This is a West German Made gauge produced by a company known for

 

Antique Architects wood Box Drawing Tools WH Darling Mathematical instrument manufacture set london i have been told this set was on the Challenger expedition of 1872–76 but have no paperwork to ver

 

This is for an old surveyor's transit made by Keuffel & Esser Co. It has the serial number 233726 on the tag. I don't really know anything about this piece but the optics seem to be really good. I

 

I have an exclusive arrangement with the internationally known artist "Piechko", to be the sole internet provider of his unique ear trumpet creations! His inspiration for these unique pieces comes fro

 

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

 

Early Low Vein MSA Comfo-Cap with nice Tiger Striping and original liner/lacing. You can see where the MSA sticker that told the size was on the underside of the helmet, but it's no longer there. So t