Report of the Mining Commission : Appointed Under Joint Resolution of the General Assembly of the State of Ohio : Passed May 2d, 1871 : to the Governor, Rutherford B. Hayes, November 14th, 1871
Report of the Mining Commission : Appointed Under Joint Resolution of the General Assembly of the State of Ohio : Passed May 2d, 1871 : to the Governor, Rutherford B. Hayes, November 14th, 1871
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In our eReader you can find the full English version of the book. Read Report of the Mining Commission : Appointed Under Joint Resolution of the General Assembly of the State of Ohio : Passed May 2d, 1871 : to the Governor, Rutherford B. Hayes, November 14th, 1871 Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Report of the Mining Commission : Appointed Under Joint Resolution of the General Assembly of the State of Ohio : Passed May 2d, 1871 : to the Governor, Rutherford B. Hayes, November 14th, 1871
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To quickly assess the difficulty of the text, read a short excerpt:
. Stoppings were found losing air. A good current was often do impaired by constant leakage, that by the time it reached the places where the miners were at work the ventilation was almost stagnant. Id addition to promoting circulation by heating the air, there are a number of mechanical contrivances employed for pushing air forward, or drawing it out of coal mines. In the anthracite region of Pennsylvania, as well as in some ot the British coal mines, fans for exhausting the air are in much fa...vor. The furnace, however, still retains a decided preference among the great majority of i)ractical men, and is almost the universal medium used in Ohio. It has some decided advantages over every me- chanical contrivance. Its action is simple and constant, while all mechan- ical ventilators are liable to accidental stoppage by the breaking of machinery. On the other hand, it is possible to erect an exhaust fan (although the first cost may be a little more; which is cheaper, and in shallow mines fully as effectual a ventilator as any furnace.
What to read after Report of the Mining Commission : Appointed Under Joint Resolution of the General Assembly of the State of Ohio : Passed May 2d, 1871 : to the Governor, Rutherford B. Hayes, November 14th, 1871?
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To quickly assess the difficulty of the text, read a short excerpt:
. Stoppings were found losing air. A good current was often do impaired by constant leakage, that by the time it reached the places where the miners were at work the ventilation was almost stagnant. Id addition to promoting circulation by heating the air, there are a number of mechanical contrivances employed for pushing air forward, or drawing it out of coal mines. In the anthracite region of Pennsylvania, as well as in some ot the British coal mines, fans for exhausting the air are in much fa...vor. The furnace, however, still retains a decided preference among the great majority of i)ractical men, and is almost the universal medium used in Ohio. It has some decided advantages over every me- chanical contrivance. Its action is simple and constant, while all mechan- ical ventilators are liable to accidental stoppage by the breaking of machinery. On the other hand, it is possible to erect an exhaust fan (although the first cost may be a little more; which is cheaper, and in shallow mines fully as effectual a ventilator as any furnace.
What to read after Report of the Mining Commission : Appointed Under Joint Resolution of the General Assembly of the State of Ohio : Passed May 2d, 1871 : to the Governor, Rutherford B. Hayes, November 14th, 1871?
You can find similar books in the "Read Also" column, or choose other free books by Ohio. Mining Commission to read onlineMoreLess
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