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ID = 21698
Brand: Werk für Fernmeldewesen (OSW, HF, WF) Berlin, VEB, RFT (Ostd.)
Tube type:  CRT (cathode ray tube, picture tube) 
Identical to B13M1

Base Octal (Int.Octal, IO) K8A, USA 1935
Filament Vf 6.3 Volts / If 0.3 Ampere / Indirect / Specified voltage AC/DC

Sonderbildröhre für Punktlichtabtaster

Dimensions (WHD)
incl. pins / tip
130 x x 430 mm / 5.12 x x 16.93 inch
Weight 700 g / 24.69 oz
Tube prices 1 Tube prices (visible for members only)
Information source - - Manufacturers Literature   RFT-Spezialröhren, 1960 + 1968

b13m1.png B13M1: Röhrentaschenbuch, Beier, 1956
Anonymous 10 Collector

Just Qvigstad
B13M1: RFT-Spezialröhren 1968
Anonymous 15 Collector

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