Extracto de la colección de válvulas de Fin Stewart. Estas imágenes fueron aportadas en la página de válvula respectiva por Fin Stewart.
| Fleming_Oscillation |
1906 |
| Ediswan, Siemens Edison Swan... |
GB |
|
| Q_Marconi |
1916 |
| Marconi's Wireless Telegraph... |
GB |
|
| R_England |
1916 |
| Common type Great Britain tu... |
GB |
|
| TMC |
1916 |
| Métal; France (tubes) |
F |
|
|
| EVN171 |
1916 |
| Telefunken Deutschland (TFK)... |
D |
|
| CA_Pliotron |
1917 ?? |
| General Electric Co. (GE); B... |
USA |
|
| S_deForest |
1917 ?? |
| DeForest-Tubes |
USA |
|
| VT-1 |
1917 |
| Western Electric Company Inc... |
USA |
|
| T3_Osram |
1917 |
| Osram-Valves GB (not MO-Valv... |
GB |
|
| R2_England |
1917 |
| Common type Great Britain tu... |
GB |
|
| VT32_Moorhead |
1918 ? |
| Moorhead Laboratories (Pacif... |
USA |
|
| C_Osram |
1918 |
| Osram-Valves GB (not MO-Valv... |
GB |
|
| MT3 |
1919 |
| Ediswan, Siemens Edison Swan... |
GB |
|
| A_Ideezet |
1919 |
| Ideezet tubes (made by Phili... |
NL |
|
| Expanse |
1920 |
| Amalgamated Wireless (Austra... |
AUS |
|
| Expanse-B |
1920 |
| Amalgamated Wireless (Austra... |
AUS |
|
| FE1_MO |
1920 |
| Marconi's Wireless Telegraph... |
GB |
|
| Q_Philips |
1921 |
| Philips; Eindhoven (tubes in... |
NL |
|
| AT25 |
1922 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| AT40 |
1922 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
| MT7B |
1922 ?? |
| Osram-Valves GB (not MO-Valv... |
GB |
|
| ORA |
1922 ? |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| R_Marconi |
1922 |
| MO Valve Co. Ltd.; GB |
GB |
|
| T250_MO |
1922 |
| MO Valve Co. Ltd.; GB |
GB |
|
| F_Philips |
1922 |
| Philips; Eindhoven (tubes in... |
NL |
|
| UV199 |
1922 |
| Common type Worldwide tube/s... |
ZZ |
|
| UV201A |
1922 |
| General Electric for Brand R... |
USA |
|
| DV6A |
1923 ?? |
| DeForest-Tubes |
USA |
|
| LS3_MO |
1923 |
| Marconi-Osram - (Valves/Tube... |
GB |
|
Fin Stewart inauguró esta muestra de su colección el día 16.Mar.2012.
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