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Electrical Telegraphy, Electric Bells and Telephones poster

Film

Electrical Telegraphy, Electric Bells and Telephones

1931 · 11m · Animation

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Overview

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.

Crew

Details

Release date
April 30, 1931
Status
Released
Original language
Japanese
Runtime
11m
Genres
Animation

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