03 Sep 1876
Page 1
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Newspaper
Butte Miner
Location
Butte, Montana, United States of America
Date
Sep 03, 1876
Page
1
An 19th century report details manganese bronze forged from 88 copper 10 tin and 2 manganese, noting superior strength and elasticity. The alloy resists engine crank bearings, aids mining in Devon and Cornwall, and prompts demand for thin alloy for wide uses. The piece contrasts with dynamite and reports on steam trials and public welfare concerns.
The London Mining Journal reports a new explosive herakiine, an improved chlorrexine type, nearing patent stages. It is praised by French mining engineers for efficiency and low cost and may gain favor in the country. Details of constituents await patent progress. In its current form it is noted as very safe and capable of handling hard rock.
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