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ID = 55129
Tube type:  Photocell High vakuum 
Identical to CE29 = 1P39 = GL929 = 929
First Source (s)
1949 : -- Original-techn. papers.

Base Octal (Int.Octal, IO) K8A, USA 1935

Blue-sensitive (S4, up to 4000 Angstroms).

Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
33 x 64 x mm / 1.30 x 2.52 x inch
Literature Taschenbuch zum Röhren-Codex 1948/49   

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