Excerpt from the tube collection of Peter Pfeiffer. These images (tube photos) were uploaded to the respective tubes or valves by Peter Pfeiffer.
| U282 |
|
| Mazda = Valve (Tube) brand G... |
GB |
|
| U291 |
|
| Ediswan, Siemens Edison Swan... |
GB |
|
|
| U518-H |
|
| Osram GmbH KG; Berlin |
D |
|
| U551D |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| U555C |
|
| Mikroelektronik "Karl Marx" ... |
D |
|
| U705D |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| U708D |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| U710D |
|
| Funkwerk Erfurt, VEB, RFT (O... |
D |
|
| U711D |
|
| Funkwerk Erfurt, VEB, RFT (O... |
D |
|
|
| U807 |
|
| Werk für Bauelemente der Nac... |
D |
|
| U820-6 |
|
| Osram GmbH KG; Berlin |
D |
|
| U821D |
|
| Funkwerk Erfurt, VEB, RFT (O... |
D |
|
| U855D |
|
| Funkwerk Erfurt, VEB, RFT (O... |
D |
|
| U857D |
|
| Funkwerk Erfurt, VEB, RFT (O... |
D |
|
| U880D |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| U918 |
|
| Osram GmbH KG; Berlin |
D |
|
| U918-3 |
|
| Osram GmbH KG; Berlin |
D |
|
| U920/6_B15 |
|
| Osram GmbH KG; Berlin |
D |
|
| U920/6_p8 |
|
| Osram GmbH KG; Berlin |
D |
|
| U920P |
|
| Osram GmbH KG; Berlin |
D |
|
| U936/4 |
|
| Osram GmbH KG; Berlin |
D |
|
| U1220 |
|
| Osram GmbH KG; Berlin |
D |
|
| U1230-4 |
|
| Osram GmbH KG; Berlin |
D |
|
| U1620 |
|
| Common type China (PRC) tube... |
PRC |
|
| U2164D |
|
| Halbleiterwerk Frankfurt /Od... |
D |
|
| U2410P |
|
| Osram GmbH KG; Berlin |
D |
|
| U2705 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| U3505 |
|
| Osram GmbH KG; Berlin |
D |
|
Peter Pfeiffer started his/her tube collection (valve collection) here on 07.May.2020.
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