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S201a

Information - Help 
ID = 16377
       
Country:
Austria
Brand: Triotron (tubes) = Brand of Schrack, Austria
Tube type:  Triode, vacuum   Power/Output 
Identical to S201a

Base Europe 4-Pin B4 (Eu A, E, 4A) 1914 (Codex=Eo)
Was used by Radio/TV-reception etc.
Filament Vf 5 Volts / If 0.25 Ampere / Direct / Battery =
Dimensions (WHD)
incl. pins / tip
x 85 x 44 mm / x 3.35 x 1.73 inch
Weight 60 g / 2.12 oz
Information source - - Manufacturers Literature   Undated tube catalog c. 1925
Saga of the Vacuum Tube, Tyne   p.463
Taschenbuch zum Röhren-Codex 1948/49

s201a_so.png S201a: rtt
Anonymous 10 Collector


Just Qvigstad
folder_3.png
S201a: own collection
Peter den Boer

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