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Scientific American, Vol. 26, No. 24 (1872) (1872)

leaf 15

An illustration from Scientific American, Vol. 26, No. 24 (1872), 1872, leaf 15
ncre fully adaptable to every variety of ROCK DRILLING. Their unequalled efficiency and economy are peknowledged both in this country and THE HEALD & SISCO Europe. The Drills are yuilt of various sizes ani pat- Specimen copies terns; WITH AND WITHOUT BOILERS, and bore at a uniform rate, of THREE TO… … Centrifugal Pumps known. in the United States, including EMERY WHEELS & EMERY BLOCKS, 5 CLASS TRAVELING SALESMAN one from New York. Asa Wrecking-pump, and as an Irrigator, it is unrivalled. both for cheapness and efti- In Sizeand Form to Suit various Mechanical Uses; wanted by a well known…

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