Electrical Telegraphy, Electric Bells and Telephones (1931)
Watch Electrical Telegraphy, Electric Bells and Telephones Full Movie Free Online On Streamings GoMovies. 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.
- Country : Japan
- Genre : Animation
- Studio :
- Director : Yasuji Murata
- Cast :