Extracto de la colección de válvulas de Pedro Prieto-Castro. Estas imágenes fueron aportadas en la página de válvula respectiva por Pedro Prieto-Castro.
| 860 |
|
| Common type USA tube/semicond. |
USA |
|
| 866A |
|
| General Electric for Brand R... |
USA |
|
| 867 |
|
| RCA (RCA Victor Co. Inc.); N... |
USA |
|
| 868 |
|
| Common type Worldwide tube/s... |
ZZ |
|
| 902A |
|
| Common type USA tube/semicond. |
USA |
|
| 922 |
|
| Common type USA tube/semicond. |
USA |
|
| 923 |
|
| Common type USA tube/semicond. |
USA |
|
| 966 |
|
| United Electronics Co.; Newa... |
USA |
|
| 1002 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1006 |
|
| Common type USA tube/semicond. |
USA |
|
| 1039 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1110 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1173 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1258 |
|
| Common type USA tube/semicond. |
USA |
|
| 1616 |
|
| Common type USA tube/semicond. |
USA |
|
| 1619 |
|
| Common type USA tube/semicond. |
USA |
|
| 1821 |
1929 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1832 |
1933 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 1915 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 1926 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 2050 |
|
| Common type USA tube/semicond. |
USA |
|
| 2769 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 3006 |
1927 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 3554 |
|
| Philips; Eindhoven (tubes in... |
NL |
|
| 4004B |
|
| Standard Telephones and Cabl... |
GB |
|
| 4033L |
|
| Common type Great Britain tu... |
GB |
|
| 4049D |
|
| Standard Telephones and Cabl... |
GB |
|
| 4064B |
|
| Standard Telephones and Cabl... |
GB |
|
| 4211D |
|
| Standard Telephones and Cabl... |
GB |
|
| 4304CB |
|
| Standard Telephones and Cabl... |
GB |
|
Pedro Prieto-Castro inauguró esta muestra de su colección el día 14.Apr.2015.
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