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Scientific American, Vol. 56, No. 5 (January 1887) (1887)

leaf 4

An illustration from Scientific American, Vol. 56, No. 5 (January 1887), 1887, leaf 4
sharp edged teeth inclined outwardly, and upon jthe plants into the furrow. Another block, fixed to CULTITATOB TOITGUE AND SHOVEL. its extreme end is formed a screw drivet edge. The the frame, is so arranged as to open.the chunp jaws as The engraving illustrates an invention which consists inner… … point to their work until the pressure on the point sncKoirs' impbows TOBiqcNi plaxt£»» overcomes the tension of the spring, when the point -SAHDEBS' CVLTIVATOB TOKGUE Ain> SHOVEL. and point shank will spring backward and thereby les- One of the elamps—the number of which Ut tpxr- sen the pressure…

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