
Electrical Telegraphy, Electric Bells and Telephones
2.0(1)193111m0
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.
TMDB
2.0/10
1 votes
- Status
- Released
- Budget
- —
- Box office
- —
- Language
- JA
Behind the camera
Director
Produced in
Japan
Videos
No extra videos are listed for this title yet.
Release dates
JapanJP
- Theatrical30 Apr 1931
Frequently asked questions
Electrical Telegraphy, Electric Bells and Telephones was released on 30 April 1931.
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