Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)
Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 158
559. WATER-VELOCITY INDICA-TOR AND REGISTER.—Variations mvelocity of a stream varies the position ofthe float, which is registered on a traversecard by a penciL … 560. ANCHORED FERRYBOAT.—One of the few methods of crossing a stream bythe action of the current
Mechanical movements
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