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| electron Tube Data sheets |
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| Osram documents |
| (up)date | item | size |
| 2000-04-11 | Osram Eisen und Konstantan Widerstande. Thanks to Robert Schmalstieg. | 597,524 bytes (de) |
| 2000-04-11 | Osram Glimm Indikator Röhren. Thanks to Robert Schmalstieg. | 149,071 bytes (de) |
| 2000-04-11 | Osram Urdox und Eisen-widerstände für Rundfunkgeräte. Thanks to Robert Schmalstieg. | 598,016 bytes (de) |
| 2004-04-17 | Osram Valves - 1936-1937 Thanks to Chris Colebrook. | 15,085,712 bytes |
| 2006-07-23 | Every-Mans Pocket Reference Guide and Book of Circuits - 1938. Thanks to David Porter. | 3,569,467 bytes |
| 2013-04-15 | Osram Valve guide and Book of Circuits Every-Mans Pocket Reference 1934. | 20,870,547 bytes |