Rate: Electrical Telegraphy, Electric Bells and Telephones
Using a scale from 0-lifeless to 10-ecstatic, please rate activities that apply to this movie.Electrical Telegraphy, Electric Bells and Telephones
[BE THE FIRST TO RATE THIS MOVIE]Calorie Rating: 15
Released: 1931-04-30
Running Time: 11 Minutes
Homepage: http://animation.filmarchives.jp/en/works/view/91172
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.