Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
VA-297Y |
|
Varian; Palo Alto (CA) |
USA |
|
VA-297AN |
|
Varian; Palo Alto (CA) |
USA |
|
VA-284B |
|
Varian; Palo Alto (CA) |
USA |
|
VA-259C |
|
Varian; Palo Alto (CA) |
USA |
|
VA-242U |
|
Varian; Palo Alto (CA) |
USA |
|
V-153C |
|
Varian; Palo Alto (CA) |
USA |
|
V-153/6315 |
|
Varian; Palo Alto (CA) |
USA |
|
V-58C |
|
Varian; Palo Alto (CA) |
USA |
|
PN-998275 |
|
Varian; Palo Alto (CA) |
USA |
|
4152-02 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
ZM1200-Pandicon |
1969 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
XQ1020G |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
W125 |
1928 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
UL2_Valvo |
1948 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
TB4/1250 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
Ph.1810 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
OC123 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
OC80 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
OAZ203 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
OA92 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
OA74 |
1955 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
L416D |
1930 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
L410 |
1927 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
H406D |
1928 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
G4200 |
1929 |
Valvo GmbH, Radioröhrenfabri... |
D |
|
FCH191 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
EF732 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
BZY91 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
BY123 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
BT100A02 |
|
Valvo GmbH, Radioröhrenfabri... |
D |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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