If you need to draw polygons in circles or divide lines for any reason, then these are for you! The item is a set of proportional dividers. They come in their original case with instructions and are i

 

minkyspinky Store This is one of a number of microscope slides I have online at the moment. This one shows longitudinal sections of a tadpole, condition as shown. -------------------------------------

 

Kern Degree Compass for theodolite K1S . Original Zip bag with Accessories. this comes in original leather case with shoulder belt. this the last one I have.no reserves.

 

Hi,I have this Post Versalog Drafting slide rule with leather case does have some scrapes on case and inside tongue has been blacked out besides that in vg condition and rule is in vg condition I dont

 

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

 

I have up for auction a Nice Vintage Dietzgen Compass Drafting Surveyors Tool Set in a Case.It is marked Germany US Zone.The number is 1285-3.I do not believe any of the compasses were ever used.The c

 

This is a 500-ml borosilicate glass flask (round bottom flask or boiling flask) that has been sealed, pumped to high vacuum, baked out, and backfilled with xenon gas to a pressure of 90 torr. When exp

 

A unique kaleidoscope from Van Cort. The wooden egg shaped kaleidoscope is highly polished and 2" tall. It is in excellent used condition and sits on a 2" tall brass stand. Thanks for looking!

 

The Kit Includes: 2 - 14" Heavy Duty Green Gold Pan - The GREEN color contrasts the BLACK sand and the GOLD in your pan. 2 - Magnifier with Tweezers - Pick up your gold and take a closer look. ***NEW

 

This little vintage black leather First Aid kit is approximately 6 inches long, 2 wide and 1 3/4 inches deep. It includes a scissors with fancy "etching", 2 bandaids, a bottle of mercurochrome, a roll