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

 

doostysmama Store This vintage pair of eyeglasses is marked on the nose bridge 'SHURON 10K CTR'. They measure approximately 4 3/4"x 1 1/2". These vintage eyeglasses are in good pre-owned condition. On

 

New old stock. Never used. Includes case, registration certificate, and manual (not shown). Box shows some wear - minimal.

 

Vintage folding magnifying glass in leather caseCase measures approx. 2 1/2" acrossStitches on the case are not present.There are scratches on the glass. Please see photos for further description. SHI

 

A BEAUTIFUL PAIR OF LORGNETTE MOTHER OF PEARL OPERA GLASSES.see picturesTHIS VINTAGE PAIR OF OPERA GLASSES IS SMOTHERED IN MOTHER OF PEARL-THE CRAFSMANSHIP IS SUPERB-THERE ARE BEADED FERRULES SEPERATI

 

This listing is for a Keuffel & Esser Compensating Polar Planimeter 620000 w/Case. This item is in very good cosmetic condition. The foam lining inside is in very good condition. The two locking l

 

Superb Antique Hand Blown Blue Human Prosthetic Glass Eye Dates To Around 1880 Most Likely Produced In Germany by Muller Stunningly Beautiful Detail Measures 2.5cm Wide Superb Condition A Fine & R

 

VINTAGE MSA MINE SAFETY APPLIANCE SKULLGARD BROWN HARDHAT # A1. Hard hat is in good solid condition. There are no breaks, cracks or distortions. The rear area of the head band is slightly out of shape

 

VINTAGE PROSTHETIC HUMAN EYE #43 Click to Enlarge Click to Enlarge I am listing 60 of these vintage prosthetic eyes all on separate auctions this evening. Photo close ups show all the details. I will

 

imperial5 store VTG Large 11'' Glasco Measuring Beaker Laboratory Pharmacy VTG 32 oz Pour Spout