Excerpt from the tube collection of Trev Levick. These images (tube photos) were uploaded to the respective tubes or valves by Trev Levick.
| 201A |
1925 |
| Common type USA tube/semicond. |
USA |
|
| RE034 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE144 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| REN1104 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| 3NF |
1926 |
| Loewe-(Opta); Deutschland |
D |
|
| RE084 |
1927 |
| Telefunken Deutschland (TFK)... |
D |
|
| VT139_TKD |
1927 |
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| W406 |
1927 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| LW405 |
1927 |
| Lorenz; Berlin, Zuffenhausen... |
D |
|
| E438 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| L160 |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L413 |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| LK4100 |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| RE604 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RENZ2104 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN1304 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RGN2004 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RV239 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| RV278 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| U409D |
1928 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| VT143_TKD |
1928 |
| TeKaDe (TKD), Süddeutsche Te... |
D |
|
| PP430 |
1929 |
| Tungsram; Budapest (see also... |
H |
|
| PX4 |
1929 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| REN704d |
1929 |
| Telefunken Deutschland (TFK)... |
D |
|
| VT-4C |
1929 ? |
| Common type USA tube/semicond. |
USA |
|
| 211 |
1929 ? |
| Common type USA tube/semicond. |
USA |
|
| E425_Triotron |
1930 |
| Triotron (tubes) = Brand of ... |
A |
|
| E463 |
1930 |
| Philips; Eindhoven (tubes in... |
NL |
|
| G425 |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L416D |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
Trev Levick started his/her tube collection (valve collection) here on 22.May.2005.
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