Extrait de la collection de lampes / semi-conducteurs de Alessandro De Poi. Ces images ont été chargées sur la page d'une lampe / semi-conducteur par Alessandro De Poi.
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| 58S |
|
| Rogers-Majestic, Standard Ra... |
CDN |
|
| 58AS |
|
| National Union Radio Corp.; ... |
USA |
|
| 58 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 57 |
1931 |
| Common type USA tube/semicond. |
USA |
|
| 42 |
1932 |
| Common type USA tube/semicond. |
USA |
|
| WE38 |
|
| Common type Italy tube/semic... |
I |
|
| WE33 |
|
| Common type Italy tube/semic... |
I |
|
| WE30 |
|
| Common type Italy tube/semic... |
I |
|
| WE25 |
|
| Philips Italy; Milano (MI) |
I |
|
| WE17 |
|
| Telefunken Italia, Milano |
I |
|
| WE15 |
|
| Common type Italy tube/semic... |
I |
|
| UL41 |
1947 |
| Common type Europe tube/semi... |
EU |
|
| TE43H |
|
| Dario (tubes) - voir aussi L... |
F |
|
| RTP4 |
|
| Fivre - tubes; Milano (MI) |
I |
|
|
| RES164 |
1928 |
| Telefunken Deutschland (TFK)... |
D |
|
| PE06/40P |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| M43 |
|
| Sator (brand of Tungsram for... |
H |
|
| L416D |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| EL33 |
1938 |
| Common type Europe tube/semi... |
EU |
|
| EF50 |
1939 |
| Common type Worldwide tube/s... |
ZZ |
|
| EF9 |
1938 |
| Philips; Eindhoven (tubes in... |
NL |
|
| APP4120 |
|
| Tungsram; Budapest (see also... |
H |
|
| AL4 |
1936 |
| Common type Europe tube/semi... |
EU |
|
| WE20 |
|
| Telefunken Italia, Milano |
I |
|
| E1R |
|
| Philips Italy; Milano (MI) |
I |
|
| ECH4A |
|
| Philips Italy; Milano (MI) |
I |
|
| 483 |
|
| Sparton-Cardon Tubes; Jackso... |
USA |
|
| 183/483 |
|
| Common type USA tube/semicond. |
USA |
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