th of the bent ratchet bar, shown at- tached to the rear side of the standard, A. In using the jack, the free end of the lever,C,ia raised and the machine is moved forward until the axle of the wagon rests in one of the notches of bar, D. The lever is then carried down until the load is raised… … Patented through the Scientific American Patent Agency, be continuously brought into contact with greatly expanded suspended. By slightly pressing down the lever, C, the hook July 14, 1874. For further particulars address Daniel Lor- surfaces, which absorb the maximum quantity of heat, and readily…
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