A Modern Aladdin's Lamp
00.
1940-10-20
.22 min
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.
Storyline
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.
Released
1940-10-20
Runtime
22 min
Budget
$0
Revenue
$0
Language
Unknown
Status
Released
Genre
Production
Audio Productions Inc.
GOMOVIEINFO
Made with Love By Anonymous
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