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Photos of rare tubes from before 1925

Click on an image to access the respective tube's page, or click the blue info button to read more about your choices. These here are only a selected few of our tube images totaling approximately 10.000.
Result: 781 - 792   from 792
1 .. 10 .. 20 .. 24 25 26 27
  
 
click to access the tube page
Z-IIA
Fin Stewart 16.May.2012
click to access the tube page
Z-IIA
Anonymous 544 Collector 27.Apr.2008
click to access the tube page
Z-IIB
Alexander Hofer 16.Jan.2019
click to access the tube page
Z-IIB
Anonymous 544 Collector 27.Apr.2008
click to access the tube page
Z-IIB
Anonymous 544 Collector 27.Apr.2008
click to access the tube page
Z-IIB
Anonymous 544 Collector 27.Apr.2008
click to access the tube page
Z-IIB
Ernst Erb 15.Jun.2005
click to access the tube page
Z2A_Philips
Peter den Boer 11.Jul.2011
click to access the tube page
Z2B_Philips
Peter den Boer 11.Jul.2011
click to access the tube page
Z3
Rudolf Osterkamp 06.Jul.2016
click to access the tube page
ZG-IIB
Peter den Boer 12.Jul.2011
click to access the tube page
wecovalve_green
Fin Stewart 20.Jul.2015
Result: 781 - 792   from 792
1 .. 10 .. 20 .. 24 25 26 27
  
 
You can pinpoint specific tubes and their data using the tab "tubes" .
  
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