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Mechanical movements, powers and devices (1911)
Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 262
GEARING. 2^1 … 992a. LINK CHAIN HOIST.—A novel formof light weight hoists over lathes and planers.A screw gear working in a tooth chain.Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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