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.

 

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

 

Old Homeopathic Preparation Medicine Box & Bottle - HUMPHREY'S 18 - New Old Stock - UnopenedA Homeopathic Preparation for INFLAMMED EYELIDS - STIESPrepared by Humphreys Medicine Co. - New York, N.

 

Relay 151 bamboo slide rule with case in good condition, see all photos for detailed views. "Scientific Instruments Co." is printed on the edge, that was probably the US distributor. Cursor moves free

 

THIS IS A VERY NICE AND OLD CONSOLIDATION COAL COMPANY COAL MINE STICKER. CENTRAL MACHINE SHOP. IT IS IN MINT CONDITION. PAY PAL ACCEPTED AND WILL ONLY SHIP TO USA. THANKS FOR YOUR INTEREST AND HAPPY

 

Here you are bidding on a great vintage compass. It is small measuring only about 4 inches. I believe this item is made of brass. No marks on it indicating a manufacturer. Item needs a new lead. The j

 

An antique microscope slide of a fan-tail fly prepared by Frederic Enock. This slide is in good condition.

 

Hemmi Slide Rule Model 149A Made in Tokyo Japan Slide Rule for Engineers & Incorporates Sale includes: Slide Rule only in slightly used condition Construction material is celluloid on bamboo. Old

 

tarquinius123 Store Description ANTIQUE EARLY 20TH CENTURY LEATHER CASED POCKET BAROMETER INSCRIBED IN GILT TOO WORK "LC FROM EC" AND INSCRIBED "NOV 15 1912" LOVELY ROYAL BLUE PLUSH LINED CASE INTERIO

 

musicreddog_0 Store DescriptionAn Antique / Vintage Early 1900's English Made Prismatic Monocular, Vedet x 8, by W. Watson & Sons of London and Barnet.Serial No :- 76402.Condition of the Lenses is