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Allegheny County amalgam amount analysis anthracite Antimony assay average bisulphide bituminous coal blast furnace bottom carbonic acid Casualties cause cent charcoal charge chemical coal coke combustion Comstock containing copper deposits diameter Edgar Thomson Steel effect engineer experiments feet fuel Geological Survey gold grains hearth heat hydrogen inches increase Institute jigs kiln less lime lode loss machine manufacture metal mineral mines minute Montreal obtained Ohio open-hearth operation oxidation oxygen P. O. Box paper Pennsylvania Philadelphia phosphorus pig iron pipe Pittsburgh plates portion pounds present produced Prof proportion puddling puddling furnaces pyrites quantity Report River rock sample sands seam shaft silica Silver Islet slag slime smelting specimen steam steel stibnite stoves Street sulphate sulphide sulphur surface temperature thick tion tons tuyeres valve vein washed weathering William yield York City zinc
Seite xxvii - All vacancies shall be filled by the appointment of the Council, and any person so appointed shall hold office for the...
Seite xxv - The Institute shall consist of Members, Honorary Members, and Associates. Members and Honorary Members shall be professional mining engineers, geologists, metallurgists, or chemists, or persons practically engaged in mining, metallurgy, or metallurgical engineering. Associates shall include all suitable persons desirous of being connected with the Institute, and duly elected as hereinafter provided. Each...
Seite 473 - Parti. The Northern Townships of Butler county. Part II. A special survey made in 1875, along the Beaver and Shenango rivers, in Beaver, Lawrence, and Mercer Counties.
Seite 471 - Catalogue of the Cabinet of Natural History of the State of New York and of the Historical and Antiquarian Collection annexed thereto.
Seite xxviii - Any member or associate may introduce a stranger to any meeting; but the latter shall not take part in the proceedings without the consent of the meeting. VII.
Seite xxv - ENOINEEKS are to promote the Arts and Sciences connected with the economical production of the useful minerals and metals, and the welfare of those employed in these industries, by means of meetings for social intercourse, and the reading and discussion of professional papers, and to circulate, by means of publications among its members and associates, the information thus obtained.
Seite xxvi - The duties of all officers shall be such as usually pertain to their offices, or may be delegated to them by the Council or the Institute ; and the Council may in its discretion require bonds to be given by the Treasurer.
Seite 98 - ... day shift, or between five and six in the evening, if on the night shift*. He is dressed in flannel shirt, woollen or heavy duck pantaloons, heavy shoes or boots, and usually with a coat thrown loosely over his shoulders. On his head he wears a cap, a slouch hat, or a helmet shaped like a fireman's, but of smaller dimensions. Whatever the headgear, his lamp, a small tin one shaped like a miniature coffee-pot, swings by a hook over the visor ; unless the place in which he works is fiery, when...
Seite xxviii - Institute is not, as a body, responsible for the statements of fact or opinion advanced in papers or discussions at its meetings, and it is understood that papers and discussions should not include matters relating to politics or purely to trade.