Psp full movies mp4 free download Learning About Sound by none [1920x1080]

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VERIFIED: 26-01-2018

Learning About Sound by none
Movie:

Learning About Sound by none

Tags: Documentary  Short  
Rating:
none/10 (Votes: 8343)
Budget:none
Released:1974 (USA)
Genre:
Documentary
Short
Duration:
16min
Stars:
Download Formats:MP4, AVI, MKV, VOB, M2TS, SWF
Directors:
Year:1974 (USA)
Tagline:none
Country:USA
Primary Language:English
Localization:
Company:Encyclopædia Britannica Films
Locations:none
Writers:none
Movie Keywords:
none
Description:
This film presents the basics of sound beginning with its source - vibrations emitting sound waves. The film visualizes the sound waves with an oscilloscope showing amplitude and frequency....See full 50f313cb9c