Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| PenDD4020 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| SP61 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| UU3 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| VP1321 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| 6D1 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| 6D2 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| 6F12 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| DW802 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| DX3 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| E20 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| EL511 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| RT55/100 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| M474 |
|
| Megatron Radio; Hilversum (NL) |
NL |
|
| BW604 |
|
| Métal; France (tubes) |
F |
|
| BW704 |
|
| Métal; France (tubes) |
F |
|
| BW1010 |
|
| Métal; France (tubes) |
F |
|
| CL254 |
2025 ? |
| Métal; France (tubes) |
F |
|
| DG |
1925 ? |
| Métal; France (tubes) |
F |
|
| DZ813 |
|
| Métal; France (tubes) |
F |
|
| PTT1 |
|
| Métal; France (tubes) |
F |
|
| RM |
1925 ? |
| Métal; France (tubes) |
F |
|
| 6/100Amp |
1926 ? |
| Métal; France (tubes) |
F |
|
| DE7 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| DER |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| DH63 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| H30 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| HD24 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| KTZ41 |
1938 |
| MO Valve Co. Ltd.; GB |
GB |
|
| KTZ63 |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| MH4 |
1929 |
| MO Valve Co. Ltd.; GB |
GB |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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