Lot of 10 Uranium glass beads! These are good to safely test Geiger counters with. They also glow brightly under black light. Very fun items to give that science nut in you family! Most of my items fo

 

This is a fantastic piece of surveying history and is very very rare!!! This original factory issued piece is the directions for use or instruction manual for the Wild DM1 New Precision Telemeter. Sid

 

You are bidding on a vintage Grier Bros. Pittsburgh PA Mining Lamp. The Lamp Measures 4 1/2" X 3". The lamp is in found condition and does have dents on the shield, bottom and back as shown in picture

 

Antique Wollensak Biascope Opera Glasses Binoculars Quick Adjust Lever w/original hard leather case.Part of strap on case is missing.Lever works fine,view is clear.No idea if this is a military item o

 

Early Spencer Optical microscope objective 4MM 44X NA 0.66 appearing in good condition with the lens being untested. I will answer any questions to the best of my ability on all pieces. Please take no

 

Check out my other items! (Click on the symbol to see the other kaleidscopes in my store!) Award-winning design, one-of-a-kind, stained glass kaleidoscope, signed by artist. Completely handcrafted by

 

vintage taylor  1950s barometer in great shape and working order,very nice. thanks for looking. Posted with eBay Mobile

 

Hi, the item being offered is a swirled Blue with Alabaster Catalin Bakelite Taylor Thermometer and Humidity gauge. This colored version is usually seen with dark age patina on it, but I've restored i

 

Propeller Protractor in wooden box

 

Bruning Model 2700 Drafting Machine Charles Bruning Drafting Machine with 2 Scales (12" & 18") - 2711T Style D - 10 Grads./Inch Good Condition - Model 2700a - Length 24" x 30" - Serial NO 90652305