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Scientific American, Vol. 22, No. 6 (1870) (1870)

leaf 7

An illustration from Scientific American, Vol. 22, No. 6 (1870), 1870, leaf 7
sharpened so as to pass readily openings are again covered up, and the small flame applied cleanliness, economy of space, and a saving of time in attend- through grass, weeds, and other obstructions. The improve- again at short intervals until the flash is obtained. ing to customers ; for instance,… … always preferred to use petroleum pa- that it bears upon the bricks both below per, which hecan make himself at any and above it, and its length is such that He strongly recommends his method to ell who can ment may be attached either to single or double shovel plows it may be firmly imbedded in…

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