Vintage Barometer Superb Vintage 1940/50s British Made Barometer, In Very Good Condition and Seems to Be Good Working Order,(very fine scratch on wood). Oak Wood Surround. Measuring approx. 7" x 6.5"
Up for auction a vintage American Optical Ophthalmoscope Set. Appears to be in excellent working condition (light tested). Item has wear/scratches commensurate with age. A great collector’s item! Th
Guide to Bodie, Mono County California Map Size 21 x 15 inches Great historical information and photos around sides. Prepared by E. W. BILLEB Aug'56 Item will be shipped USPS to all US addresses only.
You are bidding on an ANEMOMETER manufactured by Davis - Biram This is an interesting 1930's instrument in it's original leather case. The anemometer on offer is a device for measuring wind velocity a
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
Just in time for Christmas! We're selling this antique surveyor's compass from France! The compass has a diameter of 3 & 9/16" not counting the attached piece on the side of the body, there is a n