A Modern Aladdin's Lamp

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.

Format
Movie
Episodes
1
Episode Duration
22 mins
Status
Finished
All details and tags

Details

Type
Movie
Format
Movie
Episodes
1
Episode Duration
22 mins
Status
Finished
Start Date
Oct 20, 1940
Season
1940
Ratings
0
Popularity
0
Favorites
0
Reviews
0
Producers
Audio Productions Inc.
Genres
Documentary
Country
United States

Description

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.

Immersion

Japanese

Characters

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