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VT113_GPO

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ID = 65267
       
Country:
Great Britain (UK)
Brand: Mullard Radio Valve Co. Ltd.;
Developer: Mullard Radio Valve Co. Ltd.;  
Tube type:  Vacuum Pentode   Audio Frequency 
  Ca. 1925 up to 1945 very rare. ***
Identical to VT113_GPO = CV1330 = ARP11 = CV1681 = TSP4

Base British-7-Pin, old (M7A) Top contact with a cap.
Was used by Telephony
Filament Vf 4 Volts / If 1.4 Ampere / Indirect / Specified voltage AND current AC/DC
Information source TSF Antique 1921 à 1927   

arp11_1~~1.png VT113_GPO: Fin Stewart
Fin Stewart


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