Extrait de la collection de lampes / semi-conducteurs de Peter den Boer † 2025. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Peter den Boer † 2025.
| VIRAA |
1926 |
| Vereenigde Industrieen (N.V.... |
NL |
|
| VIRAC |
1926 |
| Vereenigde Industrieen (N.V.... |
NL |
|
| B424 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| CX112A |
1927 |
| Cunningham Inc., E.T.; Harr... |
USA |
|
| D-01A |
1927 ?? |
| DeForest-Tubes |
USA |
|
| D404 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| DL14_deForest |
1927 ?? |
| DeForest-Tubes |
USA |
|
| III |
1927 |
| Nowak & Co.; Wien |
A |
|
| M72 |
1927 |
| Radio-Record - Röhrenmarke; ... |
NL |
|
| M144 |
1927 |
| Radio-Record - Röhrenmarke; ... |
NL |
|
| M300 |
1927 |
| Radio-Record - Röhrenmarke; ... |
NL |
|
| M350 |
1927 |
| Radio-Record - Röhrenmarke; ... |
NL |
|
| 227 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 505 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 506 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1823 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 22 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| 222 |
1927 |
| Common type USA tube/semicond. |
USA |
|
| AC-28 |
1927 |
| Arcturus Radio Tube Co.; New... |
USA |
|
| A414K |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E408N |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E409 |
1928 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 4A15_Ultron |
1928 |
| Ultron (tubes) |
B |
|
| P425 |
1928 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| E462 |
1929 |
| Philips; Eindhoven (tubes in... |
NL |
|
| H210 |
1929 |
| Osram-Valves GB (not MO-Valv... |
GB |
|
| PP430 |
1929 |
| Tungsram; Budapest (see also... |
H |
|
| PT225 |
1929 |
| Lissen Ltd.; London and Rich... |
GB |
|
| 24A |
1929 |
| Common type USA tube/semicond. |
USA |
|
| UY224 |
1929 |
| Common type USA tube/semicond. |
USA |
|
Page de collectionneur de Peter den Boer † 2025 comme «Page personnelle sur RMorg»
En tant que membre de Radiomuseum.org, Peter den Boer † 2025 expose les pièces de sa collection.
