(dated) An 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..
현재 검증된 한국어 뜻은 준비 중이며 영어 정의는 “(dated) An 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.”입니다.