Radio Transmission.

Duration: 100 ft.

Year Published: 1948

Format: 16mm

Color: B&W

Description: Follows an audio signal from its origin in the broadcast station to its radiation into space.

Complete Record: RADIO TRANSMISSION. De Forest's Training, Inc., c1948. 100 ft., b&w, 16mm. (Radio Electronics. Reel lesson 9) Summary: Follows an audio signal from its origin in the broadcast station to its radiation into space. © De Forest's Training, Inc.; 1Oct48; MP3902.