Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| RGN2304 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RGN2504 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN4004 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGP10J |
|
| Common type Europe tube/semi... |
EU |
|
| RGQZ1,4/0,4 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RH80536 |
|
| Common type USA tube/semicond. |
USA |
|
| RK3B24WB |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| RK6BM6A |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| RK36_Diode |
|
| Common type Japan tube/semic... |
J |
|
| RK62 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| RK-5836 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| RK6390 |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| RL4A |
|
| Common type Japan tube/semic... |
J |
|
| RL41 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| RL43g |
|
| Siemens (& Halske, -Schucker... |
D |
|
| RL205 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| RL5544 |
|
| Dario (tubes) - voir aussi L... |
F |
|
| RM |
1925 ? |
| Métal; France (tubes) |
F |
|
| RN1202 |
|
| Toshiba Corporation; Tokyo |
J |
|
| RN1206 |
|
| Toshiba Corporation; Tokyo |
J |
|
| RN2202 |
|
| Toshiba Corporation; Tokyo |
J |
|
| RNF7 |
|
| Loewe-(Opta); Deutschland |
D |
|
| RO4109 |
1928 |
| Visseaux / Télévisso; Lyon /... |
F |
|
| RO4125 |
1929 |
| Visseaux / Télévisso; Lyon /... |
F |
|
| RO4610 |
|
| Visseaux / Télévisso; Lyon /... |
F |
|
| RR145/V |
|
| Deutsche Glimmlampen GmbH, (... |
D |
|
| RRR245 |
1927 |
| Radio-Record - Röhrenmarke; ... |
NL |
|
| RS13a |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RS242 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RS291 |
1936 |
| Telefunken Deutschland (TFK)... |
D |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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