 The owner or agent of every coal mine, whether shaft, slope or drift, shall provide and maintain for every such mine an amount of ventilation of not less than...  Annual Report - Seite 318von Kentucky. Department of Mines and Minerals, Kentucky. Dept. of Mines and Minerals - 1896Vollansicht - Über dieses Buch
 | Ohio. General Assembly. Senate - 1872 - 924 Seiten
...shaft, slope or drift, shall provide and maintain, within six months after the passage o1 this act, for every such mine, an amount of ventilation of not less than one hundred cubic feet per minute per person employed in such mine, which shall be circulated to the face of each and every... | |
 | Ohio - 1872 - 368 Seiten
...slope or drift, shall provide and maintain within six reqaired. months after the passage of this act, for every such mine, an amount of ventilation of not less than one hundred cubic feet per minute per person employed in such mine, which shall be circulated to the face of each and every... | |
 | 1875 - 762 Seiten
...reasonable terms. SBC. 298. The owner or agent of every coal mine, whether shaft, slope, or drift, shall provide and maintain, for every such mine, an...ventilation of not less than one hundred cubic feet per minute per person employed in such mine, and as much more as the inspector may direct, which shall... | |
 | Ohio - 1881 - 502 Seiten
...read as follows : Section 298. The owner or agent of every coal-mine, whether shaft, slope, or drift, shall provide and maintain for every such mine, an amount of ventilation of not less than 100 cubic feet, per minute, per person employed in such mine, which shall be circulated and distributed... | |
 | 1885 - 606 Seiten
...eight. SEC. 10. The owner or agent of every coal mine, whether it be operated by shaft, slope, or drift, shall provide and maintain for every such mine an...less than one hundred cubic feet of air per minute for each person employed in such mine, and not less than five hundred cubic feet of air per minute... | |
 | Iowa. General Assembly - 1882 - 700 Seiten
...as to avoid the leakage of air. I would, therefore, recommend that the operator of every coal mine shall provide and maintain for every such mine an...ventilation of not less than one hundred cubic feet per minute for each person employed in such mine; and that all mines governed by the provisions of... | |
 | Colorado - 1883 - 370 Seiten
...machinery at any one time. SEC. 4. The owner or agent of every coal mine whether shaft, slope or drift, shall provide and maintain for every such mine an amount of ventilation of not less than 100 cubic feet per minute per person employed in such mine, which shall be circulated and distributed... | |
 | 1883 - 340 Seiten
...reasonable terms. SEC. 298. The owner or agent of every coal mine, whether shaft, slopp, or drift, shall provide and maintain for every such mine, an amount of ventilation of not less than 100 cubic feet, per minute, per person employed in such mine, which shall be circulated and distributed... | |
 | Washington (State) - 1883 - 494 Seiten
...coal mine in this territory, whether shaft, slope, drift or tunnel, shall provide and maintain for such mine an amount of ventilation of not less than one hundred cubic feet per minute per person employed in such coal mine, and as much more as the inspector may direct, which... | |
 | Iowa - 1884 - 336 Seiten
...SEC. 10. The owner or agent of every coal mine, wh'ether it be operated bv shaft, slope, or drift, shall provide and maintain for every such mine an...less than one hundred cubic feet of air per minute for each person employed in such mine, and not less than five hundred cubio feet of air per minute... | |
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