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| electron Tube Data sheets |
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| Siemens documents |
| (up)date | item | size |
| 2003-03-30 | Numeric and symbol display tubes (nixie) | 777,519 bytes (fr) |
| 2006-02-02 | Generator Röhren Tubes for r.f. heating. Thanks to Robert Schmalstieg. | 25,148,425 bytes (de) |
| 2006-02-02 | Sende Röhren 1976/77 Transmitting Tubes. Thanks to Robert Schmalstieg. | 46,839,789 bytes (de) |
| 2006-02-02 | Sende Röhren 1980/81 Transmitting Tubes. Thanks to Robert Schmalstieg. | 58,897,238 bytes (de) |
| 2006-02-02 | Wanderfeld Röhren 1982/83 Travelling Wave Tubes. Thanks to Robert Schmalstieg. | 30,532,002 bytes (de) |