Nature of Sound, The (1948)

Shows how phil using his amateur radio equipment to demonstrate to jimmy the nature of sound. Demonstrates the various media which transmit sound, the waves of compressed & expanded air leaving a ringing bell, the reflection of sound, the speed of sound & the characteristic waves of sound. We digitized and uploaded this film on behalf of the Prelinger Archives. Email us at footage@avgeeks.com if you have questions about the footage and are interested in using it in your project.