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Scientific American, Vol. 60, No. 2 (1889) (1889)

leaf 3

An illustration from Scientific American, Vol. 60, No. 2 (1889), 1889, leaf 3
Scientific American. = [JANUARY 12, 1889. 18 … bottom, discharging the earth from the FRONT END ELEVATION. that the least amount of lost notion upper rear end of the scoop on the front would seriously affect its work. Yet it of an elevator carrier. The digger and seenfs clear that it would be well worth carrier may be readily separated, to…

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