 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 amount of ventilation of not less than one hundred cubic feet of air per minute for each person...  Acts and Joint Resolutions - Página 26por Iowa - 1884Vista completa - Acerca de este libro
 | Michigan. Bureau of Labor and Industrial Statistics - 1908 - 572 páginas
...CHANGE SYSTEM IN PART. SECTION 7. For the purpose of ventilation, the mines shall be furnished with one hundred cubic feet of air per minute for each person employed and three hundred cubic feet for each animal used therein, measurements to be made at any point of... | |
 | 1909 - 920 páginas
...hoisting coal ceases for the day. Ventilation. gee. 208. The owner or agent of every coal mine, whether shaft, slope or drift, shall provide and maintain...such mine an amount of ventilation of not less than ]00 cubic feet, per minute, per person, employed in such mine, which shall be circulated and distributed... | |
 | Ohio. Inspector of Mines - 1909 - 1024 páginas
..."Section 298, Revised Statutes, is in part as follows: •• 'The owner or agent of every coal mine, .... 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 minf>, ... and no working place shall be driven more than... | |
 | Michigan - 1909 - 960 páginas
...dimensions as he shall designate. For the purpose of ventilation, the mines shall he furnished with one hundred cubic feet of air per minute for each person employed and three hundred cubic feet for each animal used therein, measurements to be made at any point of... | |
 | Wyoming - 1909 - 314 páginas
...PROVIDE AMPLE MEANS CF VENTILATION. Section 1. The owner, lessee, or agent of any coal mine, whether shaft, slope or drift, shall provide and maintain for every such mine, ample means of ventilation affording not less than one hundred and fifty cubic feet of pure air per... | |
 | Wyoming - 1909 - 320 páginas
...PROVIDE AMPLE MEANS CF VENTILATION. Section 1. The owner, lessee, or agent of any coal mine, whether shaft, slope or drift, shall provide and maintain for every such mine, ample means of ventilation affording not less than one hundred and fifty cubic feet of pure air per... | |
 | Ezekiel Henry Downey - 1910 - 312 páginas
...recommendation, the mines and mining act of 1884 ordered that there shall be supplied in every coal mine not less than one hundred cubic feet of air per minute for each person and five hundred cubic feet for each horse or mule employed in such mine.185 This amount has never... | |
 | 1910 - 890 páginas
...as specified in this Section. Sec. 43. VENTILATION. The operator of every mine, whether operated by shaft, slope or drift, shall provide and maintain for every such mine a good and sufficient amount of ventilation for such men and animals as may be employed therein, and... | |
 | 1910 - 712 páginas
...drift, shall provide and hereafter maintain lor every such mine ample means of ventilation, affording no less than one hundred cubic feet of air per minute for each and every person employed in such mine, and as much more as the district mine inspector may require,... | |
 | Iowa - 1911 - 420 páginas
...person in charge of any mine, whether operated by shaft, slope or drift shall provide and maintain an amount of ventilation of not less than one hundred...feet of air per minute for each person employed in the mine, nor less than five hundred cubic feet of air per minute for each mule, horse or other animal... | |
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