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

 

alugal2 Store A quality barometer made in "West Germany" Has beautiful porcelain dial Mounted in what appears to be fine close grain mahogany I will pack carefully and ship swiftly!! Enjoy!!

 

The one on the right side is marked, “Stevens Kaleidoscope, Millions of Designs, Stevens Mfg. Co., St. Louis, MO”. It is 8 15/16 inches long. The outer diameter is 2 5/16 inches in the front and 2

 

Black leather case and interior blue velvet show signs of wear but the 12 instruments are in excellent condition. The small round case contains spare screws and washers.

 

Kelmar Pow'r House Electric Motor Assembly Kit with Power Transformer...circa 1946...complete and un-built motor kit with all parts mounted in box, 33 page instruction book and blueprint style assembl

 

Here we have a very old and rare Eppley Pyranometer solar radiometer It is used for measuring solar radiation in watts / square meter It has the calibration tag to convert milivolts to watts/square me

 

Here we have a fine Antique Mahogany Cabinet for the Sisplay / Storage of Specimen Glass Slides that masure the usual 3 ins x 1 inch. There are Six Pull Out Drawers with a Total Capacity to hold 468 S

 

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

 

German Kaleidoscope Viewpoint marked Silverplated Phillipi Design 14 cms long boxed Very good condition Shipping and handling cost Wordlwide by prioritary registered air mail is $10 USD It will be sen