Receiving Radio Messages
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Uses animated drawings to explain the principles of a radio receiver, the problem of tuning, the capacity of the variable condenser, the inductance of the coil and resonance. Demonstrates the need of detection.
Complete catalog record
Simplifies, with animated drawings, the understanding of the basic principles of radio reception. Explains the function of the variable condenser and emphasizes mutual inductance, self inductance, and resonance. Demonstrates how a crystal detects radio waves, and how an earphone produces audible sound waves.
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Sources
- A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
- University of Georgia Brown Media Archives · record ↗ — title, year, format, description
- 16mm Filmography editors — color, catalog record
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