Antique radios, Old Time Radios

412BU

ID = 7465

Country:

Great Britain (UK)

Brand:	Cossor, A.C.; London
Tube type:	Full-Wave Vacuum Rectifier Power-supply

Identical to

412BU

Similar Tubes

Normally replaceable-slightly different:

506 ; RGN1054

First Source (s)

1929 : History of the British Radio Valve to 1940 p.168

Base	Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If 1 Ampere / Direct / Specified voltage AC/DC
Description	Va max 2x250V, Ia max 70 mA.
Information source	Taschenbuch zum Röhren-Codex 1948/49

412BU: D.Z.
Dieter Zwingel

412BU: Fin Stewart
Fin Stewart

from Just Qvigstad

Usage in Models

1= 1930

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of Dieter Zwingel (D)

Collection of Fin Stewart (AUS)

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