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Scientific American, Vol. 28, No. 3 (1873) (1873)

leaf 15

An illustration from Scientific American, Vol. 28, No. 3 (1873), 1873, leaf 15
ablish- Ac'vertisements will be admitted on this page at the rate of Refined Neats Foot Oil ments in New England and elsewhere, with boilers vary- $1.00 per line for each insertion. Engrvings 1102 Steam Pumps, ing from One Hundred to Fifteen Hundred Horse Power head advertisements at the same rate… … red stee} springs,so united that the pressure is equally ROCK DRILLING. Their unequalled efficiency and distributed. Easily moved or carried about the house. economy are acknowledged both in this country and THE Europe. The Drills are built of various sizes an pat- n be lifted, turned, or rolled up…

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