Sodium perborate is a white, granular solid which decomposes in an aqueous solution to hydrogen peroxide and sodium borate. Active oxygen content 10%. Melting point is 63 degrees Celsius. It's used in

 

this is a vintage pickett slide ruler. there is writing on both sides of the ruler.it is 12.25ins. long and weighs 3.8ozs.it comes with a case. it is all metal slide.

 

Your browser does not support JavaScript. To view this page, enable JavaScript if it is disabled or upgrade your browser. Click Here. Double your traffic. Get Vendio Gallery - Now FREE! TWO SETS OF OL

 

Rugbyman Store Vintage Zonite Glass Medicine Measuring Cup Medical Beaker 1 Tsp 2 Tablespoons This is a vintage ZONITE glass medicine measuring cup. It has 2 tablespoon capacity and has lines of measu

 

Awesome vintage 'Pixie' kaleidoscope De Luxe Model with snap in heads "to create billions of beautiful designs (one is broken however you could probably put some of you own beads in there and use it)

 

Antique Microscope Slide by Norman. Indian Wood. Native name Oke Lutta. See images for condition. Excellent. I ALSO BUY ANTIQUE MICROSCOPE SLIDES. VISIT www.antiquemicroscopeslides.co.uk FOR MORE INFO

 

Antique Wollensak Biascope Opera Glasses Binoculars Quick Adjust Lever w/original hard leather case.Part of strap on case is missing.Lever works fine,view is clear.No idea if this is a military item o

 

For your consideration is a pre-owned VINTAGE ATCO BAROMETER DESKTOP SHIPS WHEEL LIGHT WOOD & BRASS MADE IN GERMANY APPROX: 7" HANDLE TO HANDLE STAND ON BACK OR HOOK TO HANG ON WALL ESTATE SALE FI

 

Auction is for: One Colbalt Blue Glass Eyecup; 1.5 inches tall. Rim is 2 inches wide. On bottom of eyecup it says, Optrex Safe Guards Sight. See Pictures. It is a very interesting eyecup. MINT CONDITI

 

This listing is for a lot of Eli Lilly medical items: Paper wrapped Caffeine and Sodium Benzoate 2 cc ampoule- slight wear and age staining on paper wrapSulfo-Mertiolate Surgical Powder cardboard cani