Classic Keuffel & Esser Log Duplex DeciTrig slide rule. The latest patent dates from 1940, and Mr. Lundin was already a graduate student in Chicago by 1950, so the timeline for dating this is pret

 

VINTAGE MAGNIFYING GLASS QUIZZER 2” IN ORIGINAL ATTACHED LEATHER POUCH CASE Powerful fold away magnifying glass attached to a handy protective soft leather case APPROX MEASUREMENTSMagnifying glass d

 

You are bidding on a very rare 1960 Electro Instruments model VOX-400-A2 mechanical digital ohmeter using edgelit readouts. If you are looking at this I probably don't have to tell you what it is, but

 

This is a small mercury recovery retort, designed to purify your mercury while separating it from your gold. Instructions for use.Work in an open well ventilated area with a breeze at your back when o

 

Quality made in Germany. Email me if you have any Questions. thanks

 

Item has some scratches. Looks to be complete with all parts. Feel free to ask questions. Posted with eBay Mobile

 

A beautiful beam compass set imported by L.M. Prince manufactured by theHenschel Co. in Germany. Stamped #34, a great collectors item.

 

bluemoonalone Store SPRINGFIELD DESK/TABLE/MANTEL TOP WEATHER CENTER BAROMETER THERMOMETER HUMIDITY

 

VINTAGE PHARMACY BOX WALTHER PHARMACY FREDRIC T. BERMAN HAMILTON AND FRANKFORD AVE. BALTIMORE MARYLAND Please check out my other auctions for more great deals. I will combine shipping if you buy multi

 

Offered here is an original heavy brass cased ten cap hand blasting machine. Tag shows it to be manufactured by the Hercules Powder Company. Patent date of 1930 on case. This would have been used to s