Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 226
820. FEATHERING PAD-DLE WHEEL.—The buck-ets are hinged with back le-vers and turned to their properposition by arms pivoted ec-centric to the shaft. Theframework of the wheel is ofiron or steel. 821. Cross section. NAVIGATION AND ROADS. 215
Mechanical movements
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