Electrical Telegraphy, Electric Bells and Telephones (1931)
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.
Release Date: 1931-04-30
Runtime: 11 minutes
Director: Yasuji Murata
Soundtrack
Original Music Composer(s): N/A
Trailers & Videos
No trailers or videos found.
Images & Backdrops
No additional images or backdrops found.
Where to Watch
No watch providers found for this movie in TW.