Excerpt from the tube collection of Peter den Boer † 2025. These images (tube photos) were uploaded to the respective tubes or valves by 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 |
|
Tube collector page of valve collector Peter den Boer † 2025 as «own HP at RMorg»
As a member of Radiomuseum.org Peter den Boer † 2025 displays items in his/her tube collection. Tubes are called valves in British oriented countries.
Valve and tube collectors as well as radio collectors are invited to join Radiomuseum.org. Every member can display separate collections of tubes, radios etc.
Peter den Boer † 2025 started his/her tube collection (valve collection) here on 22.Aug.2010.
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