Antique radios, Old Time Radios

E424N

Country:	Netherlands		Brand:	Philips; - Eindhoven; Netherlands
			Tube type:	Triode, vacuum Universal

Tube ID = 1693


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Identical to	E424N = REN904 = A4110 = WE27 = RS4324 = LA203
First Series	1929 Tube leaflet collection E.Erb Analysis by original leaflets
First Source (s)	Oct.1931 : -- Original-techn. papers.

Base	Europe 5-Pin (O5A, B5) (Codex=F)
Was used by	Radio/TV-reception etc.
Filament	Vf 4 Volts / If: 1 Ampere / -: Indirect /
Literature	Taschenbuch zum Röhren-Codex 1948/49


	ficha de valvulas Getulio Jimenez-Gomez

P.ST
Peter Steffen

Telefunken Werkstattbuch
Wolfgang Bauer

RVF-Röhrenbuch-M1,1947
Anonymous 15 Collector

Usage in Models (calculation each 25th of the month)	1= 1929 ; 1= 1930? ; 1= 1930 ; 1= 1931? ; 10= 1931 ; 1= 1932? ; 28= 1932 ; 1= 1933?? ; 3= 1933? ; 17= 1933 ; 6= 1934 ; 1= 1935?? ; 4= 1935 ; 1= 1936?? ; 2= 1936 ;
Number of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe): 78

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E424N

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