Inventors at work, with chapters on discovery (1906)
Iles, George, 1852-1942 · New York, Doubleday, Page & company · leaf 483
st considered were introduced. Hesays:— Mr. McCoy is entitled to the credit of first applying pneumatictools to heavy work, such as chipping metals, caulking boilers,cutting stone and so on. He was not, however, the originator ofthe broad idea, as long before he perfected the tool for heavywork it… … Rock drill used as blacksmiths hammer.Ingersoll-Rand Co., New York. A rock drill, on occasion, may serve as a blacksmiths hammer.The drill, detached from its tripod, is fastened to a vertical sup-port. The ram, duly supplied with compressed air, is fixed in position over the anvil, uponwhich it…
Inventions · Inventors
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