Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
NC4a |
1931 |
Sator (brand of Tungsram for... |
H |
|
NN4 |
|
Sator (brand of Tungsram for... |
H |
|
B25/20-1 |
|
Schaub und Schaub-Lorenz |
D |
|
B30C500_Si |
|
Semikron; Nürnberg |
D |
|
B500C1200 |
|
Semikron; Nürnberg |
D |
|
ESK1/02 |
|
Semikron; Nürnberg |
D |
|
SK25-06 |
|
Semikron; Nürnberg |
D |
|
SKB1,2/02 |
|
Semikron; Nürnberg |
D |
|
SKB2/02 |
|
Semikron; Nürnberg |
D |
|
SKB2/08 |
|
Semikron; Nürnberg |
D |
|
SKD25/12 |
|
Semikron; Nürnberg |
D |
|
SKE1 |
|
Semikron; Nürnberg |
D |
|
|
OE1218PA |
|
SFR (S.F.R.) - Société Franç... |
F |
|
ASY70 |
|
Siemens (& Halske, -Schucker... |
D |
|
AUY22 |
|
Siemens (& Halske, -Schucker... |
D |
|
B20/15-0.2 |
|
Siemens (& Halske, -Schucker... |
D |
|
B25/20-1,5 |
|
Siemens (& Halske, -Schucker... |
D |
|
B25/20-3 |
|
Siemens (& Halske, -Schucker... |
D |
|
B25/20-3,4 |
|
Siemens (& Halske, -Schucker... |
D |
|
B25/20-4,5 |
|
Siemens (& Halske, -Schucker... |
D |
|
B30C60 |
|
Siemens (& Halske, -Schucker... |
D |
|
B30C450 |
|
Siemens (& Halske, -Schucker... |
D |
|
B40C3700/2200 |
|
Siemens (& Halske, -Schucker... |
D |
|
B60/48-0,8 |
|
Siemens (& Halske, -Schucker... |
D |
|
B60C50 |
|
Siemens (& Halske, -Schucker... |
D |
|
B60C300 |
|
Siemens (& Halske, -Schucker... |
D |
|
B60C400 |
|
Siemens (& Halske, -Schucker... |
D |
|
B90C150 |
|
Siemens (& Halske, -Schucker... |
D |
|
B250C110 |
|
Siemens (& Halske, -Schucker... |
D |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
[index-en]