Gage, Alfred P. (Alfred Payson), 1836-1903, Fessenden, C · Toronto : W.J. Gage · leaf 318
t.There is no difference between the transmitting and receiving tele-phone ; consequently either instrument may be employed as a trans-niitter, while the other serveB as a receiver. Two magneto telephones BELL TELEPHONE. 295 in a circuit, are virtually in tlie relation of a magneto-electric… … When a person talks to the disk of the transmitter, he throws itinto rapid vibration. The disk, being quite close to the magnet, ismagnetized liy induction; and, as it vibrates, its magnetic poweris constantly changing, being strengthened as it approaches themagnet, and enfeebled as it recedes.…
Physics
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