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Set of Blowpipe Apparatus

Currency:USD Category:Coins & Paper Money / Stock & Bond - Mining Start Price:500.00 USD Estimated At:1,000.00 - 1,700.00 USD
Set of Blowpipe Apparatus
SOLD
500.00USDto m********y+ buyer's premium (100.00)
This item SOLD at 2015 Dec 13 @ 12:59UTC-8 : PST/AKDT
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Wonderful set. Made to Accompany Handbook of Blowpipe Analysis by G. Montague Butler, E. M., assistant Professor of Geology and Metallurgy, Colorado School of Mines. geologist, Colorado Geological Society. Made by Denver Fire Clay Company, Assayers and Chemists Supplies, Denver, Colorado. the use of the blowpipe dates back to antiquity. Its applications to mineral analysis were pioneered in Sweden by a small band of 18th century scientists. Their methods were further refined at the Freiberg Mining Academy in the middle 1800's. Blowpipe apparatus was constantly improved and modified until the 1860's, when it was finally replaced by the Bunsen burner and spectral analysis. Pretend for a minute that it’s 1875 and you’re a mining engineer whose job it is to figure out how much gold is in them thar hills. Get it wrong, and your company is going to waste a lot of time and money hunting for gold that’s not there—or worse yet, miss out on the mother lode. Not to worry, though, you’ve totally got this. You grab your trusty blowpipe kit and get to work. Blowpipes have been used for centuries to identify which elements are present in a mineral sample, says William Jensen, an emeritus chemistry professor at the University of Cincinnati. In fact, Jensen says, blowpipes were used in the original discoveries of about a dozen elements, from nickel (in 1751) to indium (in 1863). This kit, produced around 1870, could be used for that type of analysis, but it could also be used to figure out how much of a particular element was in a sample of ore.

City: Denver State: Colorado Date: hwac# 27678