Nice condition, measures 5". Please view all the pictures for condition, as each persons views differ. Please note if your not happy with your purchase I'm happy to offer a refund, IF MY ITEM HAS BE M

 

I am offering a picket trigonometry slide rule and case in excellent condition. Good luck and happy bidding. Posted with eBay Mobile

 

Vintage McAllister & Brother Brass Microscope with wooden case. Posted with eBay Mobile

 

Hello, welcome to our auctions. The description includes photos and magnification of those photo's and they are worth a thousand words. Insurance and tracking is included in the shipping price. All sa

 

Vintage D.W. Brunton Pocket Transit Compass - Wm. Ainsworth & Sons

 

SUPERB ANTIQUE FRENCH PARIS POCKET COIN SCALES & BOX 18th century ATTIC FIND Please scroll down for more pictures. This is a superb set of antique French PARIS pocket coin scales that date from th

 

You are bidding on a BALDWIN carbide lamp.NICKLE PLATED,generally used by mining supervisors,the lamp has the butterfly handles with the center-hook,so it can be used as a hand lamp or utilizing the c

 

TRIBRACH WITH ADAPTER. I GOT THIS IN A BOX AT AN AUCTION AND KNOW NOTHING ABOUT IT. A FRIEND WHO DOES SURVEYING TOLD ME WHAT IT IS. COULD NOT FIND A NAME ON IT.

 

Highly unusual and rare 1966 Keuffel & Esser vintage ANALON ENGINEERING-SCIENCE ANALYSIS SLIDE RULE - with case and Instruction Manual. One of the rarest of K&E slide rules and one that utiliz

 

Up for auction a vintage American Optical Ophthalmoscope Set. Appears to be in excellent working condition (light tested). Item has wear/scratches commensurate with age. A great collector’s item! Th