Aktivearje jo FERGESE akkount!
Us film- en fideobiblioteek kin allinich troch leden wurde streamd of ynladen
Folgje FERGESE te sjen ➞It duorret minder dan 1 minút om jo oan te melden, dan kinne jo genietsje fan Unbeheinde films en tv-titels.
A Modern Aladdin's Lamp 1940 Fergees Unbeheinde tagong
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.
Runtime: 22 minuten
Kwaliteit: HD
Loslitte: Oct 20, 1940
Lân: United States of America
Taal:
Keyword :
