The Osram
Wireless Guide
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The Osram
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Note that pages 47, 48 and 49 have been omitted as they only contained tuning tables intended to be filled out by the owner of the book.
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| Page 1 | Foreword |
|---|---|
| Page 2 | The Osram valve filament coating |
| Page 3 | What the coating does |
| Page 4 | How to use your valves |
| Page 5 | How to choose your valves |
| Page 6 | Getting "Range" |
| Page 7 | Getting "Quality" |
| Page 8 | Operating from AC lighting mains LT Supply |
| Page 9 | Operating from AC lighting mains HT Supply |
| Page 10 | Operating from DC lighting mains |
| Page 11 | Lamps for charging HT and LT accumulators |
| Page 12 | How to keep your set in order |
| Page 13 | How to keep your set in order (continued) If your set gives trouble. |
| Page 14 | Valves for 2-Volt accumulators |
| Page 15 | Valves for 6-Volt accumulators |
| Page 16 | Valves for 4-Volt accumulators |
| Page 17 | Valves for AC mains |
| Page 18 | Valves recommended for Typical circuit (Det, 2 x LF) |
| Page 19 | Valves recommended for Typical circuit (HF, Det, 2 x LF) |
| Page 20 | Valves recommended for Typical circuit (SG-HF, Det, LF) |
| Page 21 | Valves recommended for Typical circuit (2 x SG-HF, Det, LF) |
| Page 22 | Valve type S215 |
| Page 23 | Valve type HL210 |
| Page 24 | Valve type DEH210 |
| Page 25 | Valve type DEL210 |
| Page 26 | Valve type DEP215 |
| Page 27 | Valve type DEP240 |
| Page 28 | Valve type DEH410 |
| Page 29 | Valve type DEL410 |
| Page 30 | Valve type DEP410 |
| Page 31 | Valve type P425 |
| Page 32 | Valve type S625 |
| Page 33 | Valve type HL610 |
| Page 34 | Valve type DEH610 |
| Page 35 | Valve type DEL610 |
| Page 36 | Valve type DEP610 |
| Page 37 | Valve type P625A |
| Page 38 | Valve type P625 |
| Page 39 | Valve type LS5 and LS5A |
| Page 40 | Valve type KHI and KLI |
| Page 41 | Valve type H8, HL8 and P8 |
| Page 42 | Valve type U5 |
| Page 43 | Valve type U8 |
| Page 44 | Valve type PT235 |
| Page 45 | Valve type PT235 (continued) |
| Page 46 | British Broadcast Stations Table of Wavelengths September 1928 |
| Page 50 | Principal European Continental Broadcasting Stations |
| Page 51 | Principal European Continental Broadcasting Stations (continued) Principal Short Wave Stations |
| Page 52 | Osram Valves Price List |
