Extracto de la colección de válvulas de Peter den Boer † 2025. Estas imágenes fueron aportadas en la página de válvula respectiva por Peter den Boer † 2025.
| PH230 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| PH245 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| Power_Famar |
|
| Frelat N.V.; Amsterdam |
NL |
|
| PR2_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR12_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR12_Pope |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR21_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR21_UV-Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR36_Pope |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR37_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR41_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR45_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR48 |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR50_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR51_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR52_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR54_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR55_Condor |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PTT10F |
|
| SIF (S.I.F.), Société Indépe... |
F |
|
| PV418_Stangold |
|
| Holland (tubes); Netherlands |
NL |
|
| R_Moorhead |
1917 ?? |
| Moorhead Laboratories (Pacif... |
USA |
|
| R5 |
|
| La Radiotechnique (RT); Pari... |
F |
|
| R21_Radiotechnique |
|
| La Radiotechnique (RT); Pari... |
F |
|
| R31 |
1924 |
| La Radiotechnique (RT); Pari... |
F |
|
| R36 |
1924 |
| La Radiotechnique (RT); Pari... |
F |
|
| R50 |
|
| La Radiotechnique (RT); Pari... |
F |
|
| R1856 |
|
| Dario (tubes) - voir aussi L... |
F |
|
| RA |
|
| SFR (S.F.R.) - Société Franç... |
F |
|
| RA-1 |
|
| Sonora Tube Co.; Chicago, IL |
USA |
|
| RAC3 |
1920 |
| Radio Audion Company (Myers2... |
USA |
|
Peter den Boer † 2025 inauguró esta muestra de su colección el día 22.Aug.2010.
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