Electrical Telegraphy, Electric Bells and Telephones poster

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.

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  • TMDB

    2.0/10

    1 votes

Status
Released
Budget
—
Box office
—
Language
JA

Behind the camera

Produced in

Japan

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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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