Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
| REN804 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN904 |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN914 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN924 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN1104 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1204 |
1927 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1214 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1224 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1254 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1264 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1264spezF |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1284 |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1294 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1374d |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1818 |
1932 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1820 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENS1823d |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES044 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES094 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES164 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES174d |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES374 |
1931 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES664d |
1930 |
| Telefunken Deutschland (TFK)... |
D |
|
| RES964 |
1933 |
| Telefunken Deutschland (TFK)... |
D |
|
| Resistron |
|
| Heimann GmbH, PTW; Wiesbaden |
D |
|
| RFG5 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RFP15N05L |
|
| Common type USA tube/semicond. |
USA |
|
| RFUS20TF6S |
|
| ROHM Co., Ltd.; Kyoto |
J |
|
| RG12D2 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| RG12D3 |
|
| Telefunken Deutschland (TFK)... |
D |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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