Shows the effect of vibrations on other objects. Sound Recording & Reproduction
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✎ Suggest a correction1943. 16sd-$50. EBFilms. Demonstrates sound converted into light rays to produce sound motion pictures, and then how the projector is able to change the light rays back to sound waves. Sound recording by vari- able area and sound recording by variable density are visualized.
Complete catalog record
Category: Physics
Subcategory: B&W
Type: Slide Film
Source: EBFilms
Price: $50.
Format code: 16sd
Subcategory: B&W
Type: Slide Film
Source: EBFilms
Price: $50.
Format code: 16sd
Sources
- Index of Training Films 1946 — title, year, creator, length, format, sound, description, catalog record
Record added 2026-07-09 22:50:42 · Suggest a correction