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.
| A10 |
1926 ? |
| Kremenezky, Johann (Sator); ... |
A |
|
| A11 |
1927 |
| Kremenezky, Johann (Sator); ... |
A |
|
| Aa |
|
| Common type Europe tube/semi... |
EU |
|
| AB1 |
1933 |
| Common type Europe tube/semi... |
EU |
|
| AB2 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| ABC1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AG495 |
|
| Tungsram; Budapest (see also... |
H |
|
| AK2 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| AL4 |
1936 |
| Common type Europe tube/semi... |
EU |
|
| APP4120 |
|
| Tungsram; Budapest (see also... |
H |
|
| AZ1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| B_Raytheon |
|
| Raytheon Mfg. Co.; Cambridge... |
USA |
|
| C299 |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| CBL6 |
1939 |
| Philips; Eindhoven (tubes in... |
NL |
|
| CX301A |
1925 |
| Cunningham Inc., E.T.; Harr... |
USA |
|
| CX331 |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| CX371A |
|
| Cunningham Inc., E.T.; Harr... |
USA |
|
| E1R |
|
| Philips Italy; Milano (MI) |
I |
|
| E424N |
1929 |
| Philips; Eindhoven (tubes in... |
NL |
|
| E499 |
1932 ? |
| Philips; Eindhoven (tubes in... |
NL |
|
| ECH4A |
|
| Philips Italy; Milano (MI) |
I |
|
| EF9 |
1938 |
| Philips; Eindhoven (tubes in... |
NL |
|
| EF50 |
1939 |
| Common type Worldwide tube/s... |
ZZ |
|
| EL33 |
1938 |
| Common type Europe tube/semi... |
EU |
|
| EM4 |
1939 |
| Common type Europe tube/semi... |
EU |
|
| G-51-S |
|
| Majestic tubes of Grigsby-Gr... |
USA |
|
| G-56 |
|
| Majestic tubes of Grigsby-Gr... |
USA |
|
| G430 |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| L416D |
1930 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| M43 |
|
| Sator (brand of Tungsram for... |
H |
|
