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Scientific American, Vol. 39, No. 1 (1878) (1878)

leaf 10

An illustration from Scientific American, Vol. 39, No. 1 (1878), 1878, leaf 10
rations, line. | 6,'page 11,;shows an arrangement of thiskind. A and Baretwo with the view of producing an articulating telephone, car- magnetized tuning forks, having the same rate of vibration rying on both series simultaneously. “This, therefore, is the arrangement I have adopted in my ; |… … “Besides serving to operate the call bell, the local battery, and placed at two terminal stations. Electro-magnets, mand mm, are placed opposite one of the prongs of the forks at net and battery, and the short circuiting was controlled by each station, while a bell, C or D, stands opposite to the…

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