Extracto de la colección de válvulas de Rudolf Osterkamp. Estas imágenes fueron aportadas en la página de válvula respectiva por Rudolf Osterkamp.
| RE154 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE064t |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE064 |
1926 |
| Telefunken Deutschland (TFK)... |
D |
|
| PM2 |
1926 |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| DE06_Nelson |
1926 |
| Nelson Electric Co. Ltd.; Lo... |
GB |
|
| A425 |
1926 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A_Nelson |
1926 |
| Nelson Electric Co. Ltd.; Lo... |
GB |
|
| 201A |
1925 |
| Common type USA tube/semicond. |
USA |
|
| CX301A |
1925 |
| Cunningham Inc., E.T.; Harr... |
USA |
|
| W3_Cossor |
1925 |
| Cossor, A.C.; London |
GB |
|
| B_CeCo |
1925 |
| CeCo (tubes), C.E. Mfg. Co. ... |
USA |
|
| W1_Cossor |
1925 |
| Cossor, A.C.; London |
GB |
|
| 1018 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 373 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| SX201A |
1925 |
| Sylvania (Hygrade, GTE, Nilc... |
USA |
|
| RE209 |
1925 |
| Telefunken Deutschland (TFK)... |
D |
|
| Micro-Bigril |
1925 |
| La Radiotechnique (RT); Pari... |
F |
|
| B403 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A415 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A409 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| A141 |
1925 |
| Philips; Eindhoven (tubes in... |
NL |
|
| 205D |
1924 |
| Western Electric Company Inc... |
USA |
|
| U220 |
1924 |
| Radioröhren-Laboratorium-Gmb... |
D |
|
| RE89 |
1924 |
| Telefunken Deutschland (TFK)... |
D |
|
| RE83 |
1924 |
| Telefunken Deutschland (TFK)... |
D |
|
| ONE-VOLT-ORA |
1924 |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| LF-ORA |
1924 ? |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| DFA1 |
1924 |
| Mullard Radio Valve Co. Ltd.; |
GB |
|
| A441 |
1924 |
| Philips; Eindhoven (tubes in... |
NL |
|
| DV2 |
1923 |
| DeForest-Tubes |
USA |
|
Rudolf Osterkamp inauguró esta muestra de su colección el día 04.Aug.2008.
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