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.
Title | Electrical Telegraphy, Electric Bells and Telephones |
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Year | 1931 |
Genre | Animation |
Country | Japan |
Studio | |
Cast | |
Crew | Yasuji Murata (Director) |
Keyword | |
Release | Apr 30, 1931 |
Runtime | 11 minutes |
Quality | HD |
IMDb | 2.00 / 10 by 1 users |
Popularity | 1 |
Budget | 0 |
Revenue | 0 |
Language |