Featured are 20 Coal Mine Brass Check Tags with numbers stamped in them. I was told that they were used in coal mines to track each load of coal as they were taken from the mine to each specific miner

 

Calcium acetate monohydrate is a white powder with a slightly bitter taste and slight odor of acetic acid. Decomposes on heating forming acetone and calcium carbonate. Soluble in water and slightly so

 

ANTIQUE MICROSCOPE SLIDE BY A.C.COLE. PILULARIA GLOBULIFERA. No.22. FROM VOLUME I ISSUED IN 1883. SEE IMAGES FOR CONDITION. EXCELLENT. I ALSO BUY ANTIQUE MICROSCOPE SLIDES. VISIT www.antiquemicroscope

 

I am offering for sale a vintage JUSTRITE MINER'S CARBIDE BRASS LAMP w/ruber grip. This old lamp will never be a spit-and-polish highly shined brass object. It has logged lotd of hours undeground, as

 

The Kit Includes: 4 PACK - 7 in 1 Military Style Emergency Whistle Survival Kit w/ Light & Compass ++ 4 - Military Style 7-in-1 Emergency Whistle Survival Kits - Survival tool for prospecting, cam

 

Dayton, Nevada, Rock Point Mill, 1906, during the flood, Real Photo. This a 5 1/2 x 3 1/2 inch photo is in great condition, the gloss finish will show some light reflection. These photos may be reprin

 

Vintage K&E Keuffel & Esser N4053-3 Mannheim Polyphase 10" Slide Rule w/case K&E Keuffel & Esser N4053-3 Mannheim Polyphase Slide Rule, Leather Case 10" Wood This auction is for a vint

 

Very cool quackery medical device. Made by Vi-Rex in 1924. Set looks complete and in very nice condition. Comes in fitted case with instructions for use. On Oct-20-12 at 16:30:47 PDT, seller added the

 

2 Guys dropper cap lamps 1 dropper with double hook and 1 auto lite excellent condition see pics

 

Pickett slide rule model N-515-T in CLEVELAND INSTITUTE OF ELECTRONICS with the leather case. As seen in current hit movie HIDDEN FIGURES This is the only simplex rule for which I show both front and