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

 

You are bidding on a PACIFIC ARC 96120 three sided ruler with hard plastic case. This ruler appears to be wood with hard plastic measures. I took plenty of pictures in the hopes that you can see the o

 

Check out my other items! (Click on the symbol to see the other kaleidscopes in my store!) Award-winning design, one-of-a-kind, stained glass kaleidoscope, signed by artist. Completely handcrafted by

 

A tin box containing 6 old grain weights, 6, 5, 4, 3, 1, 1. In concave design, most original gilding intact, no maker's or other marks. Probably mid 19th century.I am later advised that they are proba

 

Bausch & Lomb Optical Co. Rochester NY USA engraved on rim of this antique desk top map magnifying lens. Adjusts up and down to focus. Excellent condition. Lens is free of scratches and chips but

 

Justrite Carbide Lamp Lantern Light Type 3-300 UNTESTED FOR PARTS ONLY 5.5"H x 4" x 2.5". PLEASE RESEARCH THIS UNIT BEFORE BIDDING SEE PICTURES ..... ANY ?? ..... PLEASE ASK ME Our pictures are part o

 

YOU ARE BIDDING TO BUY AN OLD PAIR OF BINOCULARS IN A CASE (VERY SHABBY).BINOCULARS HAVE THIS WRITTEN ON,"THE AUTOMATIC SIGHT TEST AND OPTICAL SUPPLY CHANCERY LANE LONDON" WE DO COMBINE POSTAGE. P&

 

A Phrenology Head Figurine Antique Ivory Colour Finish Measures: 8.1/2" high (21.5cm) approx Photo's show that some of the words are not very clear on the top of the head.BEING SOLD AS A SECOND This r

 

Vintage / Antique Potentiometer by Leeds & Northrup Co. Medical Equipment I don't know how old this is but I think Circa 20's, nor do I know what it does. ((( For International Shipping Please Con

 

THESE STICKERS NEVER USED AND IN EXCELLENT CONDITION. PLEASE SEE MY OTHER AUCTIONS. I PREFER PAYPAL. Please make payment within 10 days of winning auction ALL ITEMS SOLD AS ISS/H WILL BE 2.50 ONLY NO