Transactions of the American Institute of Mining, Metallurgical and Petroleum Engineers, Volume 41American Institute of Mining, Metallurgical, and Petroleum Engineers, American Institute of Mining Engineers The Institute, 1911 - Metallurgy Some vols., 1920-1949, contain collections of papers according to subject. |
Contents
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Common terms and phrases
acid amount Assay average Belgian Congo blast-furnace briquettes calcining calcium sulphate carbon cent charge chemical clay clinker coal combustion concentrates Congo containing copper cost cyanide deposits diameter dikes Electric Hoists engineer filter flue free-settling French Guiana furnace galena gases gold grains Grams heat hindered-settling horizontal humidity Institute intrusion iron JAMES GAYLEY Katanga kiln laccolith Leadville lime machine magma material matte metal method mineral mines moisture motor motor-generator Nicaragua obtained operation Ophir oxide paper pipe Pittsburg plant powder practice present quantity quartz ratio rocks samples sand screen seam shaft Shales shown siliceous silver slag slime smelting solution sonims steel sulphide sulphur sulphuric acid surface Sutro tunnel TABLE tank temperature tests tion tons Trans tube upcast vein velocity vertical Wilfley York
Popular passages
Page 533 - NW1 7DX 1st 2nd 3rd 4th 5th 6th 7th 8th 9th 10th llth 12th 13th 14th 15th 16th 17th 18th 19th 20th 21st 22nd 23rd 24th 25th 26th 27th 28th 29th 30th 31st 32nd 33rd 34th 35th 36th 37th 38th 39th 40th 41st...
Page xvii - ... duties as they may see fit. ARTICLE VII. MEETINGS OF THE BOARD OF DIRECTORS. SEC. 1. A regular meeting of the Board of Directors for the election of officers and the transaction of other business shall be held on the third Tuesday in February in each year, after the adjournment of the annual meeting of the Institute. SEC. 2. Special meetings of the Board of Directors, at...
Page xvii - The officers of the corporation shall be a President, Vice-President, Secretary and Treasurer, who shall be elected by the Directors from among their number.
Page xviii - Manager shall not be eligible for immediate re-election to the same office at the expiration of the term for which he was elected.
Page xxi - ... or in his absence, the vice-president, or in the absence of both, the...
Page xx - Section thereof may be amended at any annual meeting by a two-thirds vote of all the members present...
Page xxi - New and miscellaneous business. This order of business may be changed by a vote of the majority of members present.
Page xviii - All vacancies shall be filled by the appointment of the Council, and any person so appointed shall hold office for the...
Page 51 - The ultimate effect of this extreme heat on the miners' constitution is not so easily noted. The mine levels differ so materially in temperature, and the assigned station of a miner is so frequently changed from one cause and another, that it is impossible to obtain at present complete comparative data. That prolonged labor in a hot, impure atmosphere will assuredly shorten life appears indisputable ; but whether the system is permanently or materially injured...
Page 736 - Report of the Commission appointed to investigate the Zinc Resources of British Columbia and the conditions affecting their exploitation.