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Information - Help

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: 151 - 180   from 790
1 .. 3 4 5 6 7 8 9 .. 20 .. 27
 
click to access the tube page
AT40 1922
John Koster 01.Nov.2011
click to access the tube page
B-II 1922
Robert Gillespie 05.Mar.2020
click to access the tube page
B-II 1922
Robert Gillespie 05.Mar.2020
click to access the tube page
B-II 1922
Robert Gillespie 05.Mar.2020
click to access the tube page
B-II 1922
Konrad Birkner † 12.08.2014 30.Aug.2013
click to access the tube page
B-II 1922
Rudolf Osterkamp 09.Apr.2009
click to access the tube page
B-II 1922
Rudolf Osterkamp 09.Apr.2009
click to access the tube page
B-II 1922
John Koster 10.Nov.2008
click to access the tube page
C-I 1922
Peter den Boer 21.Jul.2011
click to access the tube page
ERECT 1922
Fin Stewart 16.Aug.2020
click to access the tube page
F_Philips 1922
Fin Stewart 13.May.2012
click to access the tube page
F_Philips 1922
Peter den Boer 29.Jun.2011
click to access the tube page
F_Philips 1922
Peter den Boer 29.Jun.2011
click to access the tube page
MR4_MOV 1922
Pedro Prieto-Castro 05.Aug.2015
click to access the tube page
MR4_MOV 1922
Rudolf Osterkamp 17.Oct.2014
click to access the tube page
MT7A 1922 ??
Ernst Erb 04.Aug.2005
click to access the tube page
MT7A 1922 ??
Ernst Erb 04.Aug.2005
click to access the tube page
MT7A 1922 ??
Ernst Erb 04.Aug.2005
click to access the tube page
MT7A 1922 ??
Ernst Erb 04.Aug.2005
click to access the tube page
MT7A 1922 ??
Ernst Erb 04.Aug.2005
click to access the tube page
T250_MO 1922
Fin Stewart 18.Jul.2020
click to access the tube page
T250_MO 1922
Fin Stewart 18.Jul.2020
click to access the tube page
T250_MO 1922
Etienne Flemal 21.Oct.2014
click to access the tube page
T250_MO 1922
Roy Johnson 16.Jun.2012
click to access the tube page
T30_MO 1922
Fin Stewart 14.Nov.2012
click to access the tube page
T30_MO 1922
Emilio Ciardiello 10.Sep.2008
click to access the tube page
UV199 1922
George Papaiz 14.Aug.2020
click to access the tube page
UV199 1922
George Papaiz 14.Aug.2020
click to access the tube page
UV199 1922
Fin Stewart 24.Jul.2020
click to access the tube page
UV199 1922
Fin Stewart 17.Jul.2020
 
Result: 151 - 180   from 790
1 .. 3 4 5 6 7 8 9 .. 20 .. 27
 
You can pinpoint specific tubes and their data using the tab "tubes" .
  
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