Thiourea is also known as thiocarbamide. White, lustrous crystals with a density of 1.4 and a melting point of 180 degrees Celsius. Soluble in cold water. It's uses include - photography (removing sta

 

Up for auction is a brand new Crestor drug rep pen. It is a spring action pen. It is white, blue, and orange in color appearance. The pen does not write. The ink is dry. The pen is new but the ink is

 

Description: Lot of 5 great old styles of eyeglasses, includes 3 cases. You get round Wire rimmed, black rimmed with green tint and hippie looking john Lennon style. All true vintage....no reproductio

 

Vintage K & E Keuffel & Esser Stadia Slide Rule 4161-3 Original Case Mannheim This is a K&E Keuffel & Esser Stadia Slide Rule 4161-3 Original Slide Rule. It has the original case, manu

 

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this listing includes 1 ea. vintage lensatic compass in 100% functional condition..small amount of paint loss...metal case.. brass MADE IN JAPAN.. 2 INCH diameter

 

Deadstock, never used retro indoor outdoor thermometer. Posted with eBay Mobile

 

This is a used Olympus microscope purchased circa 1958 in very good to excellent condition. It has course and fine focus controls which operate perfectly. The slide bed has a precision movable stage t

 

Guaranteed 100 % Functional ! WE SHIP EVERY BUSINESS DAY We Welcome International Bidders (Item ships within 1 "business" day upon receipt of payment) BID WITH CONFIDENCE FEEDBACK = 3564+ 100% USED -

 

Vintage Welch Scientific Co. Motor Firing Order 1234 Intake / Exhaust1950"sUp for auction is this vintage Welch Scientific Company Chicago USAmotor firing order 1234 intake / exhaust four cylinder ins