Vacuum Tube Receivers.

Duration: 100 ft.

Year Published: 1949

Format: 16mm

Color: B&W

Sound: sound

Complete Record: VACUUM TUBE RECEIVERS. Radio Electronics. Reel lesson 13) DeForest’s Training, Inc., 1949. 100 ft., b&w, 16mm. © DeForest’s Training, Inc.; 15Jun49 in notice: 1948); MP203.

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