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839

Information - Aide 
ID = 83443
       
Pays:
Etats-Unis
Fabricant: RCA (RCA Victor Co. Inc.); New York (NY)
Concepteur: RCA (RCA Victor Co. Inc.); New York (NY) 
Type:  Lampe à grille-écran   Texte 
Identique à 839

Culot UY-Base, 5 Pins (USA, April 1927) Connexion au sommet par téton.
Utilisé par Téléphonie
Chauffage Vf 2.5 Volt / If 1.75 Ampère / Indirect
Description

This tube is a modified 24A in a tubular bulb, with an isolantite base. It was specially designed for use by the Hawaiian Telephone Company in VHF equipment for inter-island service. The tube was listed by RCA as "Not listed for distributor sales" as of January 4, 1934. Equipment was modified to eliminate this tube in 1940. It was withdrawn by RCA in 1945.

 
Bibliographie Tube Lore (II)   p. 78

24_24a~~3.png 839: Fin Stewart
Fin Stewart


Just Qvigstad

Collection de

 
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