Magnetotelephone

Noun

Definitions

1.NounAn early telephone with a diaphragm of soft iron placed close to the pole of a magnet upon which is wound a coil of fine wire. Its vibrations produce corresponding currents in the wire by induction.

Synonyms

microtelephone teletrophone monotelephone thermophone magnetoscope telephote magnetograph magnetodrome blattnerphone phonotelemeter magnetotellurics magnetosensor

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