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Wilhelm Brock
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Individual
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Individual
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19,175. Brock, W. Sept. 5. Winches.-A winch for lifting heavy objects is formed of a wooden frame a in which is mounted a spindle b carrying a ratchet-wheel d and chainwheel e and rotated by means of a hand-lever c fitted with a pawl i for engaging the ratchet-wheel d. The chain p is freely attached at one end to the shaft b, the other end passing over the chainwheel e to carry the load on the hook p<1>.