Excerpt from the tube collection of Rudolf Osterkamp. These images (tube photos) were uploaded to the respective tubes or valves by Rudolf Osterkamp.
| EFM11 |
1938 |
| Telefunken Deutschland (TFK)... |
D |
|
| EG1 |
|
| Thermion; Lent (Nijmegen) |
NL |
|
| EK2 |
1936 |
| Philips; Eindhoven (tubes in... |
NL |
|
| EL-CIK/B |
|
| Electrons Inc.; Newark, NJ |
USA |
|
| EL1C |
|
| Electrons Inc.; Newark, NJ |
USA |
|
| EL3N |
1939 |
| Philips; Eindhoven (tubes in... |
NL |
|
| EL5 |
1936 |
| Philips; Eindhoven (tubes in... |
NL |
|
| EL12 |
1938 |
| Common type Europe tube/semi... |
EU |
|
| EL50 |
1940 |
| Common type Europe tube/semi... |
EU |
|
| EL150 |
|
| Telefunken Deutschland (TFK)... |
D |
|
| EL152 |
1950 |
| Telefunken Deutschland (TFK)... |
D |
|
| EL503 |
1965 |
| Common type Europe tube/semi... |
EU |
|
| EL511 |
|
| Mazda (tubes), Mazda-Belvu, ... |
F |
|
| EL817 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| ELU0001-002 |
|
| Futaba Corp.; Mobara (Chibe) |
J |
|
| EM34 |
1946 |
| Common type Europe tube/semi... |
EU |
|
| EM513 |
|
| Intermetall Halbleiterwerk, ... |
D |
|
| ER_Moorhead |
1916 |
| Moorhead Laboratories (Pacif... |
USA |
|
| ER_MoorheadTallPlate |
|
| Moorhead Laboratories (Pacif... |
USA |
|
| ER224 |
|
| Eveready (Ever Ready), AENMC... |
USA |
|
|
| ER1400 |
|
| Common type USA tube/semicond. |
USA |
|
|
| ESAB92M-02 |
|
| Common type Japan tube/semic... |
J |
|
| ESAC81 |
|
| Common type Japan tube/semic... |
J |
|
| ESK1/02 |
|
| Semikron; Nürnberg |
D |
|
| ESM465 |
|
| Thomson-CSF (matériel profes... |
F |
|
| ESR3 |
|
| Elesta AG, Bad Ragaz |
CH |
|
| ESU74 |
|
| Ediswan, Siemens Edison Swan... |
GB |
|
| ESU101 |
|
| Ediswan, Siemens Edison Swan... |
GB |
|
Rudolf Osterkamp started his/her tube collection (valve collection) here on 04.Aug.2008.
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