Basic Principles of Frequency Modulation
U.S. War Department, Army Pictorial Service
Industrial and advertising
Clips are not offered for this film: no licence or public-domain mark is recorded for it.
Parts
About
Some good shots to be logged Title: "This film will not be shown to the public without permission of the War Department." CU AM/FM radio dial CU violinist in front of radio microphone VS two-way radio being used in combat Many great chalk talks, diagrams, animation showing technical aspects of radio transmission
- Archive
- Internet Archive, in Prelinger Archives
- Licence or status
- The Internet Archive states none for this item.
- Credit
- U.S. War Department, Army Pictorial Service
- Subtitles
- Automatic captions
- Who can watch
- The archive gives no rating. Invisible Network shows it to Teens profiles and older, judged from its collection and subjects. How films are placed