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ID = 16839
Brand: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin
Developer: Radioröhren-Laboratorium-GmbH, Gerd Nickel, (Ultra); Berlin 
Tube type:  Gas Triode   Universal 
  Ca. 1925 up to 1945 rare.
Identical to U110
First year 1924 Tube leaflet collection E.Erb Analysis by original leaflets

Base Europe 4-Pin (A, 4A, B4, since 1914)
Was used by Radio/TV-reception etc.
Filament Vf 1.6 Volts / If 0.11 Ampere / Direct / Battery =

lt. Katalog Osthandel GmbH, Breslau V, für alle Schaltungen geeignet.

lt. Katalog Radio-Bauer (April 1927): Heizung 1,1-1,4 V / 0,10-0,12 A.

Dimensions (WHD)
incl. pins / tip
30 x 80 x 28 mm / 1.18 x 3.15 x 1.10 inch
Weight 27 g / 0.95 oz
Literature Taschenbuch zum Röhren-Codex 1948/49   Daten falsch!
Radio-Chronik   Inserat Nov. 1924, SRT Radios
Peter den Boer

Peter den Boer

U110: Rundfunkpraktikum 1926
Anonymous 15 Collector

Usage in Models 2= 1924

Quantity of Models at with this tube (valve, valves, valvola, valvole, válvula, lampe):2

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