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Scientific American, Vol. 26, No. 17 (1872) (1872)

leaf 4

An illustration from Scientific American, Vol. 26, No. 17 (1872), 1872, leaf 4
ort. And by it, we entirely Both were accurately and smoothly finished. These pulleys to an extent of 25 per cent of the rails laid down. It may dispense with the nuisance of loose pulleys, belt shifters, and were each seventeen inches in diameter and of six inches be predicted that the use of the… … effectually, doubling the value of the crop and freeing our is considerable, and the stoppages are frequent, it will he _— atari d found a very great convenience. farmers from all risk in its cultivation.. The only safe place A, in the diagram, is a double bell crank frame, with arms to grow it is…

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