Denshin Denrei Denwa
Information
Film (1 ep.)
1931-01-01
Alternative Titles
en:Electrical Telegraphy, Electric Bells and Telephones
ja:電信 電鈴 電話
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Synopsis
When copper wire is wrapped around an iron rod and connected to a battery, it becomes an electromagnet. A science teaching material movie that explains the principle and structure of electric bells and telephones by applying the principle of an electromagnet through a fusion of live action and animation.