Mining Magazine: Devoted to Mines, Mining Operations, Metallurgy & C1853 |
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Страница 7
... heat , have become true porphyries ; they are largely developed on the banks of the rivers of the country , and are a great source of annoyance to miners engaged in river mining , as they are extremely tough and difficult to break ...
... heat , have become true porphyries ; they are largely developed on the banks of the rivers of the country , and are a great source of annoyance to miners engaged in river mining , as they are extremely tough and difficult to break ...
Страница 70
... heat of 12 to 15 hours , with occasional stirring at intervals of two hours . The second process is to smelt the ore , which takes about four hours . The slag is skimmed from the top , and the 70 Journal of Copper Mining Operations .
... heat of 12 to 15 hours , with occasional stirring at intervals of two hours . The second process is to smelt the ore , which takes about four hours . The slag is skimmed from the top , and the 70 Journal of Copper Mining Operations .
Страница 71
... heating of the metal of the former process gently until it melts , when it is repeatedly skimmed . The sixth process is that of refining or toughening the metal . produce of THE PRINCIPAL COPPER MINES OF CORNWALL AND DEVON , ENGLAND ...
... heating of the metal of the former process gently until it melts , when it is repeatedly skimmed . The sixth process is that of refining or toughening the metal . produce of THE PRINCIPAL COPPER MINES OF CORNWALL AND DEVON , ENGLAND ...
Страница 85
... heat is raised until the metal becomes sticky . The heat is then lowered , and the metal becomes almost like powder , emitting a vapor . The heat is then again raised , and the puddler , with a long bar , kneads the metal into a ball of ...
... heat is raised until the metal becomes sticky . The heat is then lowered , and the metal becomes almost like powder , emitting a vapor . The heat is then again raised , and the puddler , with a long bar , kneads the metal into a ball of ...
Страница 86
... heating , and rolling , improves its strength and malleability , and it is then " No. 3 , " or " best bar . " And in this manner is perfected cable iron , nail , and wire rod , boiler plates , & c . " Scrap iron " is composed of old ...
... heating , and rolling , improves its strength and malleability , and it is then " No. 3 , " or " best bar . " And in this manner is perfected cable iron , nail , and wire rod , boiler plates , & c . " Scrap iron " is composed of old ...
Чести термини и фразе
abundant acid acres adit Allenheads amount anthracite anthracite coal appears average beds bituminous coal California canal capital carbonate carbonic acid cent charcoal clay coal field coal region commenced considerable containing copper Cornwall corporation cost Creek Cumberland cupellation deposits depth district dollars earth employed engine epidote estimated expenses extent fathom feet formation furnace galena geological George's Creek gossan granite heat Hill hundred inches increase iron labor Lake Superior land lead lime limestone lode manufacture masses metal miles mill mineral Mining Company mining operations month mountain native copper nearly New-York North obtained Ontonagon river opened ounces oxide portion present profit quantity quartz Railroad region rich river rock sandstone seams shaft shares side silver slate smelting specimens stockholders strata sulphur sulphuret surface thickness tion tons Valley vein width yield zinc
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Страница 271 - Xo person holding stock in any such company, as executor, administrator, guardian or trustee, and no person holding such stock as collateral security, shall be personally subject to any liability as stockholder of such company...
Страница 613 - ... shall be liable in like manner, and to the same extent as the testator or intestate, or the ward or person interested in such trust fund would have been, if he had been living and competent to act, and held the same stock in his own name.
Страница 273 - Such book shall be presumptive evidence of the facts therein stated, in favor of the plaintiff, in any suit or proceeding against such company, or against any one or more stockholders. Every officer or agent of any such company, who shall neglect to make any proper entry in such...
Страница 612 - ... when any vacancy shall happen among the trustees, by death, resignation, or otherwise, it shall be filled for the remainder of the year in such manner as may be provided for by the by-laws of the said company.
Страница 153 - ... jointly and severally liable in an action founded on this statute for all the debts of such corporation contracted during the period of such neglect or refusal...
Страница 268 - Any corporation formed under this act may purchase mines, manufactories or other property necessary for its business, or the stock of any company or companies owning, mining, manufacturing or producing materials, or other property necessary for its business, and issue stock to the amount of the value thereof in payment therefor...
Страница 612 - To divide, withdraw, or in any manner pay to the stockholders, or any of them, any part of the capital stock of the corporation ; or to reduce such capital stock without the consent of the legislature ; or 3.
Страница 615 - ... recorder of the county in which is located the principal place of business of the...
Страница 272 - ... no transfer of stock shall bo valid for any purpose whatever, except to render the person to whom it shall be transferred liable for the debts of the company, according to the provisions of this act, until it shall have been entered therein as required by this section, by an entry showing to and from whom transferred.
Страница 554 - PRINCIPLES OF ZOOLOGY; Touching the Structure, Development, Distribution, and Natural Arrangement, of the RACES OF ANIMALS, living and extinct, with numerous Illustrations. For the use of Schools and Colleges.