SENDING RADIO MESSAGES

Series: Univ. of Chicago physical science series

Duration: 10 min

Year Published: 1943

Creator: Encyclopaedia Britannica Films Inc

Format: 16mm

Sound: Sound

Description: Produced in collaboration with Dr Wilbur L. Beauchamp, The University of Chicago. Operation of the following units is explained: the transmitter, the amplifier, the modulator. Fundamental concepts are explained, as for example: sound waves, direct currents, alternating currents, voice current, carrier wave, and amplification.

Complete Record: Series: Univ. of Chicago physical science series Dewey number: 621.384 Audience level: jh-sh-c-adult Guide 15c Format/cost: 16-sd-$50 Distributors / rental: Not shown in source

Metadata Source:Educational Film Guide 1946

No holdings listed.

Related films:

Record added: 2026-07-02 14:42:45