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Scientific American, Vol. 57, No. 22 (1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 57, No. 22 (1887), 1887, leaf 4
n eye projecting from its periphery is operated by the main pivoted the forked end of a rack, adapting the rack to driving wheels, to turn over with the movable disk and fold against the swing the bars for- outer face of the same, as shown in the sectional view. ward and backward The outer end of… … pivoted upon strong pins, but are held at their upper closed to receive the hay, but when the box is filled the ends by wooden pins, so that in case the plow point e Q K driver pushes the lever forward, and thus lowers the SOK WA, strikes a solid obstruction the strain will break the box bottom and…

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