Modern mechanism, exhibiting the latest progress in machines, motors, and the transmission of power, being a supplementary volume to Appletons' cyclopaedia of applied mechanics (1892)
Benjamin, Park, 1849-1922 · New York, D. Appleton · leaf 879
plied principle,therefore, electrical effects and currents are obtainedat a distance from, and icithoiit contaot with, anysource of electricity. Thus, if in Fig. 30. a current besent through the bottom wire «, a momentary current will be set up in the parallel coil, which current can be utilized to… … Fig. 29.—Printin
Mechanical engineering
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