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Scientific American, Vol. 15, No. 23 (1866) (1866)

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An illustration from Scientific American, Vol. 15, No. 23 (1866), 1866, leaf 0
s department, sun. Hence the climate becomes excessive, and the never be removed from the machine when it con- soil is alternately parched by the rigors of winter. tains cream or butter, but only when empty to clean “light labor,” which is considered as the labor best Bleak winds sweep unresisted… … anangle of about forty-five degrees, ing of the soil from the mountains and curved on their working faces. leaves bare ridges of sterile rock, and the rich or- They engage with a very coarse screw, or rather ganic mold which covered them, now swept down a twist similar to that of an auger. As the…

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