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

 

Admiral Robert Fitzroy was Captain of the HMS Beagle, the very same ship that ferried Charles Darwin around the Galapagos in the 1830′s. While Darwin contemplated the origin of the species, Admiral

 

Up for sale is a Riefler master bow set imported into the US by Gramercy. The set consists of a rust-resistant big compass, divider, drafting ink pen with the customary steel point, and a lead reticul

 

MADE IN GERMANY K & E DRAFTING,ENGINERING TOOLS.=KEUFFEL-ESSERHAS EXTRA PARTS IN ONE TUBE AS SHOWN. SELLING AS IS SHOWN WITH CASE MADE IN GERMANY ALSO.SHIPPING WEIGHT WOULD BE 3 POUNDS.WE ACCEPT C

 

FROM A LOCAL ESTATE. 6 1/2" ACROSS. EXCELLENT WORKING CONDITION. THERE IS NO NAME ON IT. NO RESERVE.

 

i000000 Vintage Steel Mounted 4" Glass Projector Magnifying Lens Optical Photographic Click Images to Enlarge You are bidding on a very nice example of a vintage Boxed Large Steel Mounted 4" 105mm dia

 

My father recently passed and had a collection of over 1000 different cups. I am in the process of liquidating them. Contact me if you're looking for anything in particular. This will probably be a sl

 

Mandell Store 9 Vintage Slide Rules: K+E - Post &ndash; Sun Hemmi &ndash; Lutz · LUTZ No. 252. Excellent condition. Leather case (damaged flap. Wood interior · K&E <4092-3>. Leathe

 

Small bottles. Tincture is 2 and 3/8 inches tall. Eli Lily. Rexall is 2 and 3/4 inches tall. Please see pictures.

 

A neat pair of opera glasses. They measure 4" x 2.5". Has green case with wear. See photos. The binoculars also have wear, too. See photos. On glasses, it reads: Imported by Aloe Herbstein & Co. O