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ID = 25191
Tube type:  Double Beam Power Tube 
Identical to 6524
Similar Tubes
Heater different:

Base 2 Top contacts.
Was used by Transmittertube (Radio)
Filament Vf 6.3 Volts / If 1.25 Ampere / Indirect / Specified voltage AC/DC

6524: RCA TT
Götz Linss † 27.06.21

6524_so.png 6524: ARRL Handbook 1972
Anonymous 10 Collector

6524: RCA Transmitting Tubes TT-5
Emilio Ciardiello

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Collection of

Collection of a member from E


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