Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| EVN171 |
1916 |
| Telefunken Deutschland (TFK)... |
D |
|
| EW65H |
|
| 20th Century Electronics, Ce... |
GB |
|
| EW120a |
|
| Siemens (& Halske, -Schucker... |
D |
|
| EY82 |
|
| Common type Europe tube/semi... |
EU |
|
| EZ10B |
|
| Elesta AG, Bad Ragaz |
CH |
|
| EZ12 |
1938 |
| Telefunken Deutschland (TFK)... |
D |
|
| EZ150 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| F2a |
|
| Common type Europe tube/semi... |
EU |
|
|
| F1037 |
|
| Toshiba Corporation; Tokyo |
J |
|
| F6003 |
|
| CSF, Compagnie Générale de T... |
F |
|
| FBN-L198 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| FC4 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| FCB61C65 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCC-224 |
|
| Common type USA tube/semicond. |
USA |
|
| FCH111 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCH121 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCH131 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCH141 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCH171 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCH191 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| FCH211 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| FCH231 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| FCL101 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| FCY101 |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| FD4 |
|
| Intermetall Halbleiterwerk, ... |
D |
|
| FE8B |
|
| Common type USA tube/semicond. |
USA |
|
| FG28SB1 |
|
| Itron, Noritake Itron Corp.;... |
J |
|
| FI26635 |
|
| Osram GmbH KG; Berlin |
D |
|
| FIP5Q13 |
|
| NEC Corporation, Nippon Elec... |
J |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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