Developed during WWII to test visual acquity for the military by the remarkable Dr. Isreal Dvorine, these color plates were painstakingly developed, tested and re-tested to accurately detect, classify

 

*Vintage* Wooden Leeds & Northup 1950s Potentiometer "18671" Product Description PLEASE READ CAREFULLY! Up for bid is this *Vintage* Wooden Leeds & Northup 1950s Potentiometer "18671" . This i

 

OFFERED HERE IS A UNMARKED MINERS OIL WICK LAMP OF THE HOOVER BROS. PATENT. IT MEASURES 2 3/4" TALL TO THE TOP OF THE LID, AND 2 3/4" TO THE TIP OF THE SPOUT. THE BASE IS 1 9/16" IN DIAMETER. IT HAS W

 

Vintage Antique Keuffel & Esser Co. Survey Transit Instrument w/Box Condition: Donated with no previous history. Shows scuffs, scratches all over the body as shown in pictures. Included only what

 

Up for auction, two Autolite carbide mine lamps. Both are in 'as found' condition and are used. Bases unscrew from both lamps, and the valves seem to work. See all photos. Individual descriptions are

 

This is a used Vemco MARK XII V-TRACK drafting machine made in Pasadena, CA. I am not a draftsman so I am not familiar w/this equipment. The vertical track assembly slides smoothly on the horizontal t

 

Please read my terms and conditions first - the item description follows below. Please ask questions before bidding and look at all the pictures included with the listing. Also, if there is anything y

 

bluemoonalone Store SPRINGFIELD DESK/TABLE/MANTEL TOP WEATHER CENTER BAROMETER THERMOMETER HUMIDITY

 

17 DIFFERENT &nbsp U.S.STEEL COAL CO. MINING STICKERS GREAT CONDITION

 

USSR Orginal Medicine box used in Military Field Hospital I'm using only registered shipment. Posted with eBay Mobile