Mechanical movements, powers, devices and appliances (1901)
Hiscox, Gardner Dexter, 1822?-1908 · New York, N. W. Henley & company · leaf 160
558. WATER METER, Thompson model. A swinging disc movement on ball socket, operated by a flow of water, rotates a vertical crank spindle and gear train with index hand above the dial. … 559. WATER-VELOCITY INDICA-TOR AND REGISTER.—Variations invelocity of a stream varies the position ofthe float, which is registered on a traversecard by a pencil. i 560. ANCHORED FERRYBOAT.—One of the few methods of crossing a stream by ^fflfl^^^^riir^H the action of the current.
Mechanical movements
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