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Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 147
498. IMPACT WATER WHEEL, Leffel pat-tern. Step buckets. Efficiency, eighty-live per cent.Mechanical movements
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
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