Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| RE209 |
1925 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE304 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| REF01 |
|
| Common type USA tube/semicond. |
USA |
|
| REL21 |
|
| Research Enterprises Ltd., T... |
CDN |
|
| Rel673B84 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| Rel673U15 |
|
| Siemens (& Halske, -Schucker... |
D |
|
| REN601 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN704d |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN904 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN924 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN1104 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN1822 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN2204 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1384 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1818 |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1823d |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENZ2104 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES664d |
1930 |
| Telefunken Deutschland (TFK)... |
D |
|
| Resistron |
|
| Heimann GmbH, PTW; Wiesbaden |
D |
|
| RFP8N20 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| RG1/240A |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| RG62D |
|
| Telefunken Deutschland (TFK)... |
D |
|
|
| RG250/1000 |
|
| Tungsram; Budapest (see also... |
H |
|
| RGN354 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN564 |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN1304 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN1404 |
1930 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN1500 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN2004E |
|
| Inter und Union, Deutschland... |
D |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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