![](https://image.tmdb.org/t/p/w342/8v7xAniiUJl7oy3SZuz2x2o4fQ0.jpg)
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Animated training film depicting the fundamentals of electricity and how electrical signals can be used to keep an airplane on correct course and altitude through an autopilot.
Release: Jan 27, 1943
Runtime: 19 minutes
Language: English
Country: United States of America
Cast:
Crew: