Extracto de la colección de válvulas de Roland Biesler. Estas imágenes fueron aportadas en la página de válvula respectiva por Roland Biesler.
| A408 |
1926 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| A411 |
|
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| A2118 |
1931 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| AB2 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| ABC1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| ABL1 |
1937 |
| Philips; Eindhoven (tubes in... |
NL |
|
| AC2 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| ACH1 |
1933 |
| Common type Europe tube/semi... |
EU |
|
| AD1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| AF3 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AF7 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AH1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AK1 |
1934 |
| Common type Europe tube/semi... |
EU |
|
| AK2 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| AL1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| AL4 |
1936 |
| Common type Europe tube/semi... |
EU |
|
| AL5 |
1936 |
| Common type Europe tube/semi... |
EU |
|
| AM2 |
1937 |
| Common type Europe tube/semi... |
EU |
|
| AN4092 |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| AN4126 |
1933 |
| Valvo GmbH, Radioröhrenfabri... |
D |
|
| AS4120 |
|
| Tungsram; Budapest (see also... |
H |
|
| AZ1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| AZ4 |
1938 |
| Philips; Eindhoven (tubes in... |
NL |
|
| AZ11 |
1938 |
| Common type Europe tube/semi... |
EU |
|
| AZ12 |
1938 |
| Telefunken Deutschland (TFK)... |
D |
|
| AZ41 |
1947 |
| Common type Europe tube/semi... |
EU |
|
| Bi |
|
| Common type Europe tube/semi... |
EU |
|
| C/EM2 |
1937 |
| Telefunken Deutschland (TFK)... |
D |
|
| CB2 |
1935 |
| Common type Europe tube/semi... |
EU |
|
| CBC1 |
1935 |
| Common type Europe tube/semi... |
EU |
|
Roland Biesler inauguró esta muestra de su colección el día 06.Oct.2011.
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