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wyszukanych pozycji: 2
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Western Mining
ISBN: 9780806113524 / Angielski / Miękka / 1977 / 358 str. Termin realizacji zamówienia: ok. 30 dni roboczych. Here, for the first time, is a clear account in words and pictures of the methods by which gold and silver were extracted and processed in the Old West. The author describes the early days of Spanish and Indian mining and the wild era inaugurated by the American prospector who rushed west to get rich quick, ending with the year 1893, when repeal of the Sherman Silver Purchase Act virtually closed the mining frontier. The account gives in laymen s language the techniques employed in prospecting, placering, lode mining, and milling, particularly those employed by the Spaniards, Indians,... Here, for the first time, is a clear account in words and pictures of the methods by which gold and silver were extracted and processed in the Old ... |
cena:
82,71 |
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Black Powder and Hand Steel: Mines and Machines on the Old Western Frontier
ISBN: 9780806153971 / Angielski / Miękka / 2016 / 216 str. Termin realizacji zamówienia: ok. 30 dni roboczych. Mining in the western United States entered its great era after 1860 through use of the double-jack, black powder, hand steel, Bickford fuse, wire rope, and the steam engine. Those were the years of bonanza strikes: Henry Wickenburg s Vulture Mine in Arizona Territory; the main hard-rock gold strike in the desert Southwest; Ed Schieffelin s discovery of vast silver deposits in Tombstone, Arizona; and the Tonopah-Goldfield strike in Nevada, which netted over one hundred million dollars. "Black Powder and Hand Steel "describes the miners and the machinery they used. Otis E. Young, Jr.,... Mining in the western United States entered its great era after 1860 through use of the double-jack, black powder, hand steel, Bickford fuse, wir... |
cena:
58,37 |
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