Denshin Denrei Denwa
Electrical Telegraphy, Electric Bells and Telephones
5.07
G - All Ages
Finished Airing
Type:
Movie
Episodes:
1
Status:
Finished Airing
Aired:
1931
Source:
Original
Rating:
G - All Ages
Duration:
10 min
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.
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