This is a Picket slide rule from the Cleveland Institute of Electronics and the patent date goes back to 1964. The slide rule is a plastic I think with metal on all the edges including the center slid

 

Unused American Optical steampunk safety glasses. These glasses are in excellent condition Posted with eBay Mobile

 

History of science. This is a shanked microtome knifes with a rectangular blade and handle. Date ca 1880-1890. The knifes is stored in a flat black leather case lined in maroon velvet and red silk. .

 

Here we have this Rare Unique Brass Cased Desktop Office Thermometer USA Made by Cooper. The coil Spring Mechanism is made by Cooper and the brass cover is made by International Silver. This is a grea

 

Fresh from an upstate New York estate! This Victorian thermometer was designed to be hung from a chandelier, and viewed from three side from the center of a room. " Patented Jan. 12, 1887 by Taylor Br

 

1952 POPULAR SCIENCE JULY HOW TO BUILD A PLASTIC PORCH WILBUR SHAW FLIES A CAR 242 Pages USED: 3 corners wear. Near new otherwise. ( Some photos listed: Delta wing fighters Convair XF92A; Jet giants â

 

Set of 3 great condition out of a doctors office I just cleaned out dr has been in his office for 50 years an he says theve been there a long time

 

AN ANTIQUE MAGNIFYING QUIZZING EYE GLASSPROBABLY DATING TO THE MID 19TH CENTURY CIRCA 1850DECORATIVE ENGINE TURNED GILT METAL HANDLEMEASURES 4.5 INCHES LONG [ 11.5. CMS ]LENS MEASURES 1.5 INCHES DIAME

 

Up for auction is a Vintage Lot Of 9 Medicine Bottles Witch Hazel, Anbesol and other assorted Tinctures and medical aids...cool vintage items and a great addition to any collection... HAPPY BIDDING...

 

This is a vintage, used, Minerva measuring tool in its original box. It is stamped that it is Swiss made.  It measures approximately 4 inches in length and 1.5 inches in diameter.  If you have any q