Les Ondes De Son Et Leurs Origines.

Duration: 1 reel

Year Published: 1948

Format: 16mm

Color: B&W

Sound: sound

Description: With animated drawings the film describes several types of sound sources, including the vocal organs, and explains frequency, amplitude, wave length, and harmonics.

Complete Record: LES ONDES DE SON ET LEURS ORIGINES. Encyclopaedia Britannica Films, Inc., c1948. 1 reel, sd., b&w, 16mm. French version of "Sound Waves and Their Sources." Summary: With animated drawings the film describes several types of sound sources, including the vocal organs, and explains frequency, amplitude, wave length, and harmonics. Credits: Collaborators, Harvey B. Lemon, Hermann I. Schlesinger, Harvey Fletcher, Donald MacKenzie. © Encyclopaedia Britannica Films, Inc.; 16Sep48; MP3379.