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Scientific American, Vol. 32, No. 13 (1875) (1875)
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e of the ice houses are staked out miles run at low speed. A 25 and marked with hemlock tun engine is of sufficient brush. Then, with ice plows, weight for general use. If ad- the men mark out the ice in ditional power is required with ‘Suitable squares (86 by 22 a snow plow on heavy freights, Fig.… … soon cause steam to supersede all other kinds of motive power, © 1875 SCIENTIFIC AMERICAN, INCInternet Archive · Public domain (published before 1931). Free to use for anything.
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