by pressing the foot upon the levers, L L, the rope through the Scientific American Patent the same as the best windlasses of the ordinary barrels mounted on strong iron shafts, B. The speed of the windlasses, when the chain is be- construction. Its advantages are self-evident, Agency. ends of the… … ish the power of A, it would only be necessary Tongueing and Grooving Machine. selv s to different thicknesses of boards. The to throw lever I inward, so as to connect toggle joints, D D', are attached on one side In ordinary machines for tongueing and sleeve clutch, H, with cog wheel, F'.…
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