| (up)date
| item
| size
|
| 2000-04-11
| Osram Eisen und Konstantan Widerstande. ☆Robert Schmalstieg☆
| 597,524 bytes (de)
|
| 2000-04-11
| Osram Glimm Indikator Röhren. ☆Robert Schmalstieg☆
| 149,071 bytes (de)
|
| 2000-04-11
| Osram Urdox und Eisen-widerstände für Rundfunkgeräte. ☆Robert Schmalstieg☆
| 598,016 bytes (de)
|
| 2004-04-17
| Osram Valves - 1936-1937 ☆Chris Colebrook☆
| 15,085,712 bytes
|
| 2006-07-23
| Every Radio-Man's Pocket Reference Osram valve guide and book of circuits 1938. ☆David Porter☆
| 3,569,467 bytes
|
| 2013-04-15
| Every Radio-Man's Pocket Reference Osram valve guide and book of circuits 1934.
| 20,870,547 bytes
|
| 2025-10-18
| Valve Manual part 1, Radio Receiving Valves, Cathode-ray Tubes, Electronic devices, 1951, 262 pages ☆Adri de Keijzer☆
| 75,384,046 bytes
|
