Drafting Protractor For auction, with no reserve, is an early 8-inch drafting protractor made by the Union Instrument Corp of Plainfield New Jersey. Item is stamped U.S., indicating that it was made f

 

3 vintage slide rules: 1. The Warner & Swasey Co., Cleveland Ohio. 2. Acumat Acu Math no. 600. 3. K +E #681210 Log.Log Duplex Decitrig c. 1947 by Keuffel & Esser Co. Winning USA bidder pays pr

 

BLASTING GALVANOMETERU.S. ARMYModel E-80GRAY INSTRUMENT Co., Philadelphia, Pennsylvania4" x 3"I have no way of knowing whether the galvanometer works or notCondition as shown in the photos. Normal 0 f

 

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

 

This is a U.S.A. made Schell hard shelled doctor's bag with black cowhide exterior and TWO KEYS. The bottom is stamped DLA120-78-C-4994. If you are looking for a clean, functional doctor's bag, this i

 

A comprehensive professional quality vintage technical drawing set with steel reinforced pivots. The set comprises: Multi-function holder - length 156mm. It has a hinged and adjustable pin and offers

 

HERE IS A NICE VINTAGE K&E #4053-3 SLIDE RULE WITH BLACK LEATHER CASE... IT IS IN VERY GOOD CONDITION... On Oct-17-12 at 00:09:21 PDT, seller added the following information: Every buyer gets a My

 

tcbantique Store SEE PICTURES BELOW This appears to be new and unused. Most often, our merchandise is old and or used. Because of this, it is sold as found, the same as in any other auction. We will t

 

Vintage 'The Scaleometer' small optical measuring device, has a scale within the lense? Possibly Silver?

 

For sale is a set of three used Pickett slide rules made around 1960 by Pickett, Inc. in Santa Barbara, California, U.S.A. This set consists of the following items: Model N902-T Simplex Trig metal sli