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Scientific American, Vol. 9, No. 21 (February 4, 1854) (1854)

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An illustration from Scientific American, Vol. 9, No. 21 (February 4, 1854), 1854, leaf 0
he cam shaft, gearing which couples with said shaft, by the neling through a hill near the Presidio. The a link for one color, another pin at the cen- C, with which itis coupled by the elutch, D. clutch, D, and which cemmunicates motion Cornwall mines in England are now the princi- ter of the next… … When there is a mistake made in the picks, from the bevel wheel, 7,.to the one, 7, which to sixty million of feet, and is valued at from leys on the loom frame, and finally around the a small pinion on the inner end of the shaft of $250,000 to $500,000. runs in an opposite direction toO. Pisa stay…

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