Offered here is an original Geologic Map of the 700 Foot Level of the Portland Mine. The Portland Mine was located in Victor, Colorado, in the Cripple Creek Mining District. Map dated 1902, by Charles

 

old_devil Store VINTAGE LEITZ CAMERA LUCIDA ZEICHENOKULAR BOXED MICROSCOPE ACCESSORY ANTIQUE Vintage boxed microscope camera lucida, circa 1920ZEICHENOKULAR E. Leitz WetzlarA microscope eye piece with

 

Up for auction is an Antique Electro Shock Therapy Apparatus by Aloe Company in St. Louis, MO. Dated 3-23-20. An extremely rare and unique piece of quackery. Do not know if it still works or not, besi

 

Vintage WW1 era chrome cased nurses pulse sand timer that is in good age related unpolished condition,with its chrome loop fitting for a watch or neck chain,it is stamped on the base 1/4 =15seconds. T

 

This miner's oil wick lamp, from 100 years or more ago, has a stamping of "D" with "L" inside it - a well known mark. But under this is clearly stamped "KELTY" which I cannot find in any of the docume

 

SELLING THIS AMAZING FIND WITH NO RESERVE.........VERY OLD ENGLISH BAROMETER/THERMOMETER WHEEL BAROMETER/THERMOMETER LIONE & SOMALVICO 125 HOLBORN HILL LONDON WORKSHOP OF DOMINICK LIONE & JOSE

 

Offered here is a rare miners' candlestick gang stamped "Improved Ideal". Split thimble model measuring 11.0". Listed in Wilson-Bobrink's Miners' Candlestick book on page 39. Two types of Improved Ide

 

OLD AW FABER CALCULATING RULER IN NEAR MINT CONDITION...LOOKS JUST ABOUT LIKE NEW

 

This nitric acid bottle and its stopper are in beautiful condition - clean, with no chips and no cracks. Date is not known, but bottles like this, without the chemical formula printed on them, tend to

 

Very nice shape with no cracks or chips . A nice addition to a Dr collection