 | 1875 - 762 pages
...ventilating apparatns, the air-ways traveling-ways, pumps and pump-timbers, and drainage, and shall see that, as the miners advance their excavations,...lengths and sizes for the places where they are to be nsed and placed in the working places of the miners; and it shall also be the duty of the mining boss... | |
 | Iowa. General Assembly - 1882 - 700 pages
...ventilating apparatus, the air- ways, travelingways, pumps and pump-timbers, and drainage; and shall see that as the miners advance their excavations all...places of the miners; and it shall also be the duty of the mining boss to measure the current of air at least once a week, at the inlet and outlet, and... | |
 | 1882 - 424 pages
...pumps and timbers, also drainage; also .-hall see that the miners advance their excavations, also that all loose coal, slate and rock overhead are carefully secured against falling in or upon the traveling way*, and that sufficient timber of suitable lengths and sizes is furnished for the places... | |
 | Henry Martyn Chance - 1883 - 716 pages
...ventilation apparatus, the air-ways, travelingways, pumps and pump timbers, and drainage, and shall see that as the miners advance their excavations,...places of the miners ; and it shall also be the duty of the mining boss to measure the air current at least once a week at the inlet and outlet and at or... | |
 | Kansas - 1883 - 306 pages
...Duties. tilating apparatus, the air-ways, traveling-ways, pumps and pump timbers and drainage, and shall see that as the miners advance their excavations all...overhead, are carefully secured against falling in upon the traveling-ways. And every underground plane on which persons travel, worked by self-acting... | |
 | 1883 - 340 pages
...ventilating apparatus and the air-ways, traveling-ways, pumps and pump timbers and drainage, and shall see that as the miners advance their excavations all...rock overhead are carefully secured against falling therein or on the traveling-ways, and that sufficient props, caps and timbers are furnished, of suitable... | |
 | Colorado - 1883 - 370 pages
...pumps and timbers, also drainage; also shall see that the miners advance their excavations, also that all loose coal, slate and rock overhead are carefully secured against falling in or upon the traveling ways and that sufficient timber of suitable lengths and sizes is furnished for the places... | |
 | Iowa. General Assembly - 1884 - 1028 pages
...ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers, and drainage; and shall see that as the miners advance their excavations,...suitable lengths and sizes for the places where they ire to be used, and placed in the working places of tire miners; and it shall also be the duty of the... | |
 | Pennsylvania. Bureau of Industrial Statistics - 1884 - 424 pages
...ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers and drainage, and shall see that as the miners advance their excavations,...are carefully secured against falling in or upon the travelings- way, and that sufficient timber is furnished of suitable lengths and sizes for the places... | |
 | 1895 - 1168 pages
...ways, pumps, timbers and drainage; also, shall see that as the miners advance their excavations, that all loose coal, slate and rock overhead are carefully secured against falling in or upon the traveling ways, and that sufficient timber, of suitable lengths and sizes, is furnished for the places... | |
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... who shall keep a careful watch over the ventilation apparatus, the air-ways, travelingways, pumps and pump timbers, and drainage, and shall see that as the miners advance their excavations, all loose coal, slate and rock overhead are carefully secured... 
