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Application filed by American Electrical Novelty &filedCriticalAmerican Electrical Novelty &
Publication of CH31055ApublicationCriticalpatent/CH31055A/de
G04C3/00—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means
G04C3/02—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum
G04C3/027—Electromechanical clocks or watches independent of other time-pieces and in which the movement is maintained by electric means wherein movement is regulated by a pendulum using electromagnetic coupling between electric power source and pendulum
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Electromagnetism
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General Physics & Mathematics
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CH31055A1904-03-161904-03-16Stromschließvorrichtung an elektrischen Pendelwerken
CH31055A
(de)