Antique radios, Old Time Radios

442BU

Country:	Great Britain (UK)		Brand:	Cossor, A.C.; London
			Tube type:	Full-Wave Vacuum Rectifier Power-supply

Tube ID = 7467

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Identical to	442BU
Similar Tubes	Normally replaceable-slightly different: GL4/1

Base	Europe 4-Pin (A, 4A, B4, since 1914) (Codex=Eo)
Filament	Vf 4 Volts / If: 2.5 Ampere / -: Direct / -: Parallel, (AC/DC) /
Literature	Taschenbuch zum Röhren-Codex 1948/49

442BU: Sammlung GJ
Anonymous 544 Collector

442BU: Telefunken Werkstattbuch
Wolfgang Bauer

442BU: COSSOR VALVE MANUAL 1935-6
Jose Casas-Avalos

Usage in Models	1= 1931 ; 1= 1933?? ; 5= 1933 ; 6= 1934 ; 1= 1935?? ; 9= 1935 ; 1= 1936?? ; 2= 1936? ; 4= 1936 ; 11= 1937
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 41

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