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

 

These antique French Lemaire f Paris opera glasses are mother of pearl and brass. They are in good condition, with some minor scratches on the brass. They are fully functional with crisp optics. They

 

LIGHTWEIGHT 7X23 WIDE ANGLE AMBER COATED BINOCULAR # 53862 , WIDE ANGLE 9.5, AND 499 FT. AT 1000 YDS, MADE IN JAPAN.

 

This auction is for a Vintage Knickerbocker Case Co Chicago leather metal medical tool box tackle box. It has a Aloe medical company tag on the inside. This is 8.75" across, 7.75" tall and 16" long. .

 

ANTIQUE MICROSCOPE SLIDE BY W.WATSON. POLYCISTINA. HALIOMINA HUMBOLDTII. SEE IMAGES FOR CONDITION. EXCELLENT. I AM LISTING MORE ANTIQUE MICROSCOPE SLIDES OF VARYING SUBJECT MATTER OVER THE NEXT FEW MO

 

Here is a vintage Audiometer from Zenith. It is a model #ZA-113A, and seems to be intact and complete. With the metal case in the closed position, it measures about 12 1/2" x 9 3/4" x 7 3/4". I have n

 

WMS-III Record Forms You are bidding on an open pack containing 23 new Visual Reproduction Response Booklets for the Wechsler Memory Scale - Third Edition. Please bid on this item ONLY if you can prov

 

Up for Auction: Vintage Style Pearl-White and Gold Centura Opera Glasses 3X (J-E56 and J-B19). This item has been used but remains in great condition with no broken parts or cracks. The brand is fairl

 

This X-Ray machine was made by the "Picker Company" for the U.S. Army Medical Mash Unit. It has, to my knowledge, never been used and is packed and tagged just as it left the factory over 50 years ago

 

Old Cutaway Instruction Scale Model Steering Here you see an instruction model from a german driving-school.It is not a toy! This model was helpful to show learner drivers how a car-steering is workin