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A_Cossor

Informazioni - Aiuto 
ID = 82609
       
Stato:
Gran Bretagna (Regno Unito)
Produttore: Cossor, A.C.; London
Progettista: Cossor, A.C.; London 
Tipo:  Triodo a vuoto 
  <1925 very rare
Identico a A_Cossor
Evoluzioni 1925   WR1  
Zoccolo Europe 4-Pin B4 (Eu A, E, 4A) 1914 Sidecontact.
Utilizzata per Radio/TV-reception etc.
Filamento Direct / Battery =
Descrizione

This tube was designed in 1924 with an 8 ohm resistor connected in series with the filament, wound in a special flanged section of the lower part of the base. This allowed the tube to be operated on either 2, 4 or 6 volts. Late in 1924 the type number was changed to WR1.

 
Bibliografia -- Original prospect or advert   Wireless Constructor Nov 1924, p.28
b4_base_pins~~522.png A_Cossor: Fin Stewart
Fin Stewart

Just Qvigstad
 
[rmxtube-en]
  
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