Dodge, Mary Mapes, 1830-1905 · [New York : Scribner & Co.] · leaf 56
ndmake the structure stanch and strong. Thelower part of the derrick is boarded up, floored,and roofed, making a large room in which thehired drillers work. Two sides of this roomextend a little beyond the main part. In one ofthe recesses, or added spaces thus formed, isplaced the bull-wheel—the… … Y ij^A IT P MAP OF THE OIL-REGIONS OF PENNSYLVANIA. 44 B O R I N G FOR UlL. [November, sharpening tools. The engineis placed some distance fromthe derrick ; the engine-house and derrick beingconnected by a long, nar- /row, covered passage- /way, called the belt- /house, in which run the / belts…
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