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.
| V72 |
|
| Splendor Lampenfabriek; Nijm... |
NL |
|
| UV199 |
1922 |
| Common type Worldwide tube/s... |
ZZ |
|
| UT2 |
|
| Oxytron (tubes) Danmark |
DK |
|
| unknown_Frelat |
|
| Frelat N.V.; Amsterdam |
NL |
|
| Unknown_CAC |
|
| CAC (C.A.C.) City Accumulato... |
GB |
|
| Universal_MYERS |
|
| Myers, E.B. Ltd.; Montreal (... |
CDN |
|
| U306 |
|
| Helikon, Helikonwerk, Ing. R... |
A |
|
|
| TE24 |
|
| Dario (tubes) - voir aussi L... |
F |
|
| TB1/50 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| TA08/10 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| TA04/5_UX |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| TA1,5/15 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| T114 |
|
| Radio-Record - Röhrenmarke; ... |
NL |
|
| T5-428 |
|
| Thermion; Lent (Nijmegen) |
NL |
|
| T_Pliotron |
|
| General Electric Co. (GE); B... |
USA |
|
| SY4101D |
|
| Standard Telephones and Cabl... |
AUS |
|
| SX226 |
|
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| SV7 |
1926 ?? |
| Triotron (tubes) = Brand of ... |
A |
|
|
| Spaarlamp_Hercules |
|
| Heussen, M. & Co; Arnhem |
NL |
|
| small |
|
| Valora, Gloeilampenfabriek; ... |
NL |
|
| SGDG1 |
|
| Unknown - CUSTOM BUILT: Fran... |
F |
|
| SE-1444_Moorhead |
1918 |
| Moorhead Laboratories (Pacif... |
USA |
|
| S8100 |
|
| Schickerling Products Manufa... |
USA |
|
| S1600 |
|
| Schickerling Products Manufa... |
USA |
|
| S700 |
|
| Schickerling Products Manufa... |
USA |
|
| S600_Schickerling |
|
| Schickerling Products Manufa... |
USA |
|
| S412 |
|
| Radio-Record - Röhrenmarke; ... |
NL |
|
| S400_Schickerling |
|
| Schickerling Products Manufa... |
USA |
|
Peter den Boer † 2025 inauguró esta muestra de su colección el día 22.Aug.2010.
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