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History of the manufacturer  

Common type Worldwide tube/semicond.

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Name: Common type Worldwide tube/semicond.    (ZZ)  
Abbreviation: commonworl
Products: Tube manufacturer
Summary:

Tubes and Semiconductors made worldwide.

History:


Some models:
Country Year Name 1st Tube Notes
ZZ  65 Influenzmaschine nach W. Holtz und A. Toepler generic   Deutsche Museum: W. Holtz und A. Toepler entwickelten 1865 unabhängig voneinand... 
ZZ  67 Kelvin-Generator, Kelvin water dropper generic   Dreidimensionales Model eines kleinen Kelvin water droppers - Kelvin-Generators Der ein... 
ZZ  86 Elektroskop Electroscope, elektrostatisches Electrostatic voltmeter "Goldblatt" gene   Elektrostatisches Spannungsmessgerät bzw. Elektrostatisches Voltmeter: Quasi die idea... 

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Further details for this manufacturer by the members (rmfiorg):

IBM-PN: 300704tbn_usa_ibm_tube_2d21.jpg

  
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