 | Pennsylvania. Laws, statutes, etc - 1877 - 650 lehte
...careful watch over the ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers, and drainage, and shall see that as the miners advance...suitable lengths and sizes for the places where they arc te be used, and placed in the working places of the miners ; and it shall also be the duty of the... | |
 | Pennsylvania. Laws, statutes, etc - 1881 - 724 lehte
...careful watch over the ventilation apparatus, the air-ways, traveling-ways, pumps and pump timbers, and drainage, and shall see that as the miners advance...lengths and sizes for the places where they are to be used, and placed in the working places of the miners ; and it shall also be the duty of the mining... | |
 | Iowa. General Assembly - 1882 - 700 lehte
...be called mining boss, who shall keep a careful watch over the ventilating apparatus, the air- ways, travelingways, pumps and pump-timbers, and drainage;...lengths and sizes for the places where they are to be used, and placed in the working places of the miners; and it shall also be the duty of the mining boss... | |
 | Henry Martyn Chance - 1883 - 716 lehte
...careful watch over the ventilation apparatus, the air-ways, travelingways, pumps and pump timbers, and drainage, and shall see that as the miners advance...lengths and sizes for the places where they are to be used, and placed in the working places of the miners ; and it shall also be the duty of the mining... | |
 | Kansas - 1883 - 306 lehte
...watch over the ven- Duties. tilating apparatus, the air-ways, traveling-ways, pumps and pump timbers and drainage, and shall see that as the miners advance...overhead, are carefully secured against falling in upon the traveling-ways. And every underground plane on which persons travel, worked by self-acting... | |
 | Colorado - 1883 - 370 lehte
...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... | |
 | 1883 - 340 lehte
...careful watch over the ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers, and drainage; and shall see that as the miners advance their excavations, all loose £oal, slate and rock overhead are carefully secured against falling in or upon the travelingways,... | |
 | Iowa. General Assembly - 1884 - 1026 lehte
...careful watch over the ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers, and drainage; and shall see that as the miners advance...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 lehte
...careful watch over the ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers and drainage, and shall see that as the miners advance...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 lehte
...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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... mining boss, who shall keep a careful watch over the ventilating apparatus, the air-ways, traveling-ways, pumps and pump timbers, and drainage, and shall see that as the miners advance their excavations, all loose coal, slate and rock overhead are... 
