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ID = 13599
United States of America (USA)
Brand: Common type USA tube/semicond.
Developer: Philco, Philadelphia Stg. Batt. Co.; USA 
Tube type:  Double Diode-Triode   Text 
Identical to 2102

Base 6-Pin-Base U6A, old, USA (Codex=Ko)
Was used by Radio/TV-reception etc.
Filament Vf 2 Volts / If 0.12 Ampere / Direct / Battery =

Tube used as class A amplifier in British Philco Model 295 and 450 radios.

Also listed on pages 14, 147 & 159 of "Tube Lore II

Information source Babani, International Radio Tube Encyclopaedia   p. 38 & 39
Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 202, p. 398
Taschenbuch zum Röhren-Codex 1948/49
Röhrencodex , Röhren-Taschenbuch 1950 23000 Röhren

460_3.png 2102: Telefunken Werkstattbuch
Wolfgang Bauer

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Just Qvigstad
2102: Brimar Valve Manual 1947-8
Adrian Riesen

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Usage in Models 1= 1935 ; 1= 1936? ; 2= 1937 ; 2= 1938

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):6

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