Excerpt from the tube collection of Robert Gillespie. These images (tube photos) were uploaded to the respective tubes or valves by Robert Gillespie.
| PJ-8 |
|
| General Electric Co. (GE); B... |
USA |
|
| PJ-21 |
|
| General Electric Co. (GE); B... |
USA |
|
| PJ-22 |
|
| General Electric Co. (GE); B... |
USA |
|
| PJ-23 |
|
| General Electric Co. (GE); B... |
USA |
|
| PL-191 |
|
| Penta Laboratories; Chatswor... |
USA |
|
| PL500 |
1960 |
| Common type Europe tube/semi... |
EU |
|
| PL5557 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| PLAV9S |
|
| Huth, Signalbau AG, Dr. Eric... |
D |
|
| Pliotron_Amplifier |
|
| General Electric Co. (GE); B... |
USA |
|
| PM2B |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| PM22A |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| PR |
1926 ?? |
| DeForest-Tubes |
USA |
|
| PR-1C |
|
| General Electric Co. (GE); B... |
USA |
|
| PR52_UV |
|
| Pope's Draad- en Lampenfabri... |
NL |
|
| PR-845 |
|
| General Electric Co. (GE); B... |
USA |
|
|
| PX4 |
1929 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| PX25 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| PY81 |
1951 |
| Common type Europe tube/semi... |
EU |
|
| PZ |
|
| Arcturus Radio Tube Co.; New... |
USA |
|
| PZH |
|
| Arcturus Radio Tube Co.; New... |
USA |
|
| Q_Marconi |
1916 |
| Marconi's Wireless Telegraph... |
GB |
|
| QP21 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| QS150/30 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| QS150/40 |
|
| Marconi-Osram - (Valves/Tube... |
GB |
|
| QX |
|
| MO Valve Co. Ltd.; GB |
GB |
|
| R_Marconi |
1922 |
| MO Valve Co. Ltd.; GB |
GB |
|
| R_Moorhead |
1917 ?? |
| Moorhead Laboratories (Pacif... |
USA |
|
| R_Mullard |
|
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| R_Raytheon |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
Robert Gillespie started his/her tube collection (valve collection) here on 29.Jun.2019.
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