The three ebony and brass parallel rules are 15in long, 12in long, and a 6in. The 12in one is stamped Windsor and Newton, the other two do not carry a makers mark. The rules show some wear comensurate

 

Antique Vulcanite (rubber) upper denture with porcelain teeth. This one having a very unusual goldish-brown component to parts of the vulcanite. On first thought it appears like a reline material but

 

VINTAGE NEON SPECTRAL TUBE with BAKELITE END CAPS & 4mm PLUGSOVERALL LENGTH: 10.5 inchesCondition - Excellent.Shown working, powered by an induction coil (not included)!

 

Tucker's Violet Rays up for auction. It comes with 5 electrodes as you can see in photos. The cords and capacitor are in good shape. ITEM HAS NOT BEEN TESTED AND IS SOLD AS/IS NO RETURNS

 

Click small picture to enlarge ANTIQUE RIMLESS EYEGLASSES Marked on each stem and bridge: AO 1/10 - 12KGF Featured in this auction is a pair of gold filled semi-rimless eyeglasses, circa 1920s...The l

 

Offered here is a very rare assayers crucible stamped from Justinian Caire. Found at the ghost town site of Cerro Gordo, in the Inyo Mountains of California. Measures 4.50" tall. Justinian Caire was o

 

This set of four American Optical Project O Chart Slides is from my father's optometry business. I cannot verify if the item works properly, as I am not an optometrist. I can say the other equipment t

 

YOU ARE BIDDING ON A CYCLOPEDIA OF ENGINEERING VOLUME II STEAM ENGINES , INDICATORS , VALVE GEARS , REFRIGERATION 457 PAGES CHECK OUT OTHER AUCTIONS FOR THE OTHER VOLUMES I THRU VI I WILL COMBINE SHIP

 

20thc FRENCH BAROGRAPH "NAUDET" Description 20thc FRENCH BAROGRAPH "NAUDET" ... A GOOD QUALITY FRENCH BAROGRAH WITH MAKER NAME ON THE BASE "NAUDET" SERIAL NUMBER 50095. OVERALL CONDITION IS VERY GOOD,

 

Bought this few years back at doctor's estate, this is a real vintage cardboard sign from 20's-40's? About 10 by 13 inches, has edge dings and wear as seen, but still displayable. Basically sold as yo