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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