noun
magneto telephone; hand-crank telephone
Historical term for an early telephone that used a hand-cranked magneto to generate ringing current. Now mainly encountered in museums or historical contexts.
この博物館には磁石式電話機が展示されている。
A magneto telephone is on display at this museum.
Refers to the classic rotary-dial telephone (often black), a later technology than the magneto telephone.
Compound of 磁石 (magnet), 式 (type), and 電話機 (telephone set), literally 'magnet-type telephone set'.