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Z520M

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ID = 25836
       
Country:
Europe
Brand:
Tube type:  Numerals- and Symbols indicating tube   Indication 
Identical to Z520M = ZM1020
First Source (s)
May.1962 : - - Manufacturers Literature Radiotechnique Memento tubes 10/1963

Filament No heater
Description

Base B13B. Numerals 0-9, 15.5mm high

 
Text in other languages (may differ)
Dimensions (WHD)
incl. pins / tip
29 x 31 x mm / 1.14 x 1.22 x inch
Information source - - Manufacturers Literature   Radiotechnique Memento tubes 10/1963
- - Manufacturers Literature   Mullard data leaflet May 1962
  z520m_2.png
  Z520M: Herstellerdatenblatt
Carsten Küppers
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z520m_pic1.jpg
Z520M: o
Anonymous 15 Collector

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z520m_so.png
Z520M: Siemens Röhrentaschenbuch 1972
Anonymous 10 Collector

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z520m-zm1020-doc.png
Z520M: Radiotechnique Memento tubes 10/1963
Patrice Zeissloff

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Usage in Models 1= 1963??

Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):1

Collection of a member from D

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