Century Dictionary and Cyclopedia
- n. A telephone in which variations in the strength of a magnet produce, or are produced by, undulatory currents in a coil of wire surrounding either the whole or a part of the magnet and forming part of the telephone circuit. See telephone.
“In the magneto-telephone set illustrated the box is made large enough to accommodate only the generator and call bell, and the batteries are mounted elsewhere, as in a drawer of the desk, while in other cases there is no other equipment but that shown in the cut, the batteries being mounted within the magneto bell box itself.”
“a magneto-telephone as both receiver and transmitter and a magneto-bell as its signal-sending machine, as was usual in 1877, it is interesting to note that the entire motive power for signals and speech transmission was supplied by the muscular tissues of the user -- a case of working one's passage.”
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