The struggles for life and home in the North-west [microform] (1890)
France, George W · New York : I. Goldmann, printer · leaf 40
hrown fromthe bull-wheel, the driller, with a brake on the wheel, lets thetools run, or nearly drop, to the bottom of the hole (the enginebeing used in raising them out). Next the rope at a few feetabove the mouth of the hole is clasped tightly to a screwarrangement (temper screw), the screw itself… … O (29) 30 Striking Out From Home. pitmen; then slack is given the rope above by turning the buli-uheel back, thus causing the tools to hang suspended to the■walking beam; when the engine is started, the tools beingsimply raised and dropped two or three feet at every turn ofthe walking beam, which…
France, George W · Frontier and pioneer life -- Northwest, Pacific · Freemasonry · West (U.S.) -- Biography · Northwest, Pacific -- Biography
Internet Archive · California Digital Library · Public Domain Mark 1.0. Free to use for anything.
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