Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
P220A_Mazda |
|
Mazda = Valve (Tube) brand G... |
GB |
|
P425 |
1928 |
Marconi-Osram - (Valves/Tube... |
GB |
|
PA2_Mullard |
1923 ? |
Mullard Radio Valve Co. Ltd.; |
GB |
|
Pen4VA |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
Pen4VB |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
Pen20 |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
Pen25 |
|
Mazda = Valve (Tube) brand G... |
GB |
|
Pen44 |
|
Mazda = Valve (Tube) brand G... |
GB |
|
Pen383 |
|
Mazda = Valve (Tube) brand G... |
GB |
|
PenDD4020 |
|
Mazda = Valve (Tube) brand G... |
GB |
|
PM2 |
1926 |
Mullard Radio Valve Co. Ltd.; |
GB |
|
PM2DX |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
PM22A_4-pin |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
PM24 |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
PV1-35 |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
PV5DE |
|
Ediswan, Siemens Edison Swan... |
GB |
|
PZ30 |
|
Common type Great Britain tu... |
GB |
|
|
QO.1650 |
|
Marconi-Osram - (Valves/Tube... |
GB |
|
QR-43 |
|
Marconi Applied Technology; ... |
GB |
|
QV04-7R |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
R_Mullard |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
R4C |
1919 ?? |
GEC, General Electric Co Ltd... |
GB |
|
R17 |
|
Standard Telephones and Cabl... |
GB |
|
RG1/240A |
|
Mullard Radio Valve Co. Ltd.; |
GB |
|
|
S104/1K |
|
Standard Telephones and Cabl... |
GB |
|
S130 |
|
Cossor, A.C.; London |
GB |
|
S130P |
|
Common type Great Britain tu... |
GB |
|
S410 |
1928 |
MO Valve Co. Ltd.; GB |
GB |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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