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A Modern Aladdin's Lamp

194022mNo ratings yet

Documentary

Overview

With Western Electric Vacuum Tubes in the starring roles, this film tells the fascinating story of tube development from the first crude bulbs of Edison and De Forest to the powerful and efficient tubes in use today, and shows the prominent part they play in radio, long-distance telephony, public address systems, sound motion pictures and the phonograph.

Details

Status: Released
Release date: October 20, 1940
Original language: English
Countries: United States of America
Production: Audio Productions Inc.
Cast: Lowell Thomas
Budget: Not recorded
Revenue: Not recorded
IMDb: tt31462090