Nature of Sound, The

About

Boy uses his radio equipment to demonstrate how sound is produced and transmitted.

Archive

Internet Archive, in Prelinger Archives

Licence or status

Public domain (Creative Commons dedication), as the Internet Archive states it.

Credit

Coronet Instructional Films

Country

United States

Subtitles

Automatic captions

Who can watch

The archive gives no rating. Invisible Network shows it to Tweens profiles and older, judged from its collection and subjects. How films are placed