ALL 3 IN GREAT SHAPE, ACCORDING TO THE PERSON I BOUGHT THEM FROM ONE OF THEM IS DATED 1905 AND THE OTHER IS DATED 1910. THEY ARE MARKED THAT WAY. THE 3RD IS DATED.

 

10 inch Deci Lon slide rule 688 1100. The slide rule itself is in great condtion. The leather case has residue from a sticker that was on it, has belt loop clip. USA shipping only unless prior authori

 

VINTAGE MSA MINE SAFETY APPLIANCE SKULLGARD BROWN HARDHAT # A1. Hard hat is in good solid condition. There are no breaks, cracks or distortions. The rear area of the head band is slightly out of shape

 

Hello, you're looking an an Alvin 961 beam compass, made in West Germany. This was purchased in 1968. All appears to be in good condition. Please see my other auctions for related supplies. Thanks for

 

Galileo Thermometer: 17" tall, measures from 50 to 84 Fahrenheit, and 10 to 28 Celcius with 9 weights in various colors. What it is: Based on a thermoscope invented by Galileo Galilei in the early 160

 

You are bidding on a used Focalin XR pen with a floating pill in the barrel. The barrel has a clear section within which is the floating opened capsule and a background of pill pellets. Please see the

 

I was recently meeting with a future chemist. His friend, who is about to graduate with a degree in Chemistry, had a rather pompus attitude. It seemed like the right time to give him a little taste of

 

Vintage Colmont Mother of Pearl Opera Glasses. These are the Opera Glasses only, I do not have the case. One lense has "Colmont FT Paris" printed on it. The other lense has" R. Harris & Co., Washi

 

Carl Zeiss Oberkochen Land Camara TMK old and rare catalogue 1966 12 pages ( including covers ), In good condition, exceptfor a small defect, please see pictures, 21 x 14,7 cms size Shipping and handl

 

VINTAGE FAHRENHEIT THERMOMETER WITH UNIQUE SQUARE DESIGN & POINTER. ALL METAL CONSTRUCTION WITH PLASTIC LENS & RUBBER FEET. THE CHROME SCREW OPENS THE UNIT, SEE PHOTOS. THIS RARE PIECE WEIGHS