Mining and Engineering World, Volume 27Mining and Engineering World, 1907 - Mineral industries |
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Page 66 - ... in the arts of numbering and measuring, of surveying and navigation, of geography and history, of husbandry, commerce and government; and in the knowledge of all nature in the heavens above us, and in the air, water, and earth around us, and the various kinds of meteors, stones, mines and minerals, plants and animals, and of every thing useful for the comfort, the convenience and elegance of life; in the chief manufactures relating to any of these things...
Page 66 - And, lastly, a serious, virtuous, and industrious Course of Life, being first provided for, it is further the Design of this College, to instruct and perfect the Youth in the learned Languages, and in the Arts of reasoning exactly, of writing correctly, and speaking eloquently...
Page 103 - When iron pyrites is roasted in the open air an increase of temperature takes place in its mass, so that the oxidation continues without the application of external heat, the sulphur passing off as sulphurous acid gas, while the iron is changed into ferric oxide. This process of roasting extends over a considerable space of time, and is so conducted that the heat evoked by the oxidation of the sulphides is never very manifest at any period of the operation. The sulphur and metals frequently burn...
Page 10 - California, shall be responsible for accidents that may happen to men disobeying the above rules and signals. Said notice and rules shall be signed by the person or superintendent having charge of the mine, who shall designate the name of the corporation or the owner of the mine.
Page 66 - ... governors of the college of the province of New- York, in the city of New- York, in America...
Page 10 - Rule 2 — No person must get off or on the bucket or cage, while the same is in motion. When men are to be hoisted give the signal for men. Men must then get on bucket or cage, then give the signal to hoist.
Page 10 - SECTION 1. Every person, company, corporation, or individual, operating any mine within the state of California — gold, silver, copper, lead, coal, or any other metal or substance — where it is necessary to use signals by means of bell or otherwise, for shafts, inclines, drifts, crosscuts, tunnels, and underground workings, shall, after the passage of this bill, adopt, use, and put in force the following system or code of mine bell signals, as follows : 1 bell, to hoist (See Rule 2.) 1 bell,...
Page 306 - State are designated, respectively, the Fairmont or Upper Monongahela district, and the Elk Garden or Upper Potomac. Those in the southern portion of the State are the Pocahontas or Flat Top district and the New and Kanawha River district.
Page 318 - ... chief engineer of the United States Pacific Railway Commission. In 1896 he was appointed by President Cleveland a member of the board of engineers to select a location and prepare plans and estimates for a deep water harbor on the southern coast of California. Later in life, the degree of Doctor of Engineering was conferred upon him by the University of Illinois. In 1860, when King Edward, then the Prince of Wales, visited the United States, Mr.
Page 24 - Canyon, about 1 i miles below Croydon, and in some of the side canyons. None of these beds are being worked at present. The Union Pacific Railroad, which follows the course of Weber River, will make possible a rapid development in this region. Beds of good grade, but too thin to be profitably worked, have been observed at other points in these States and also in Nevada. It is highly probable that further exploration will show that these oolitic phosphate beds have a still wider distribution. Many...