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Contents
Chapter I | |||
The Secret of Wireless Telegraphy | |||
| page | |||
| 1. | Nature’s Wonderful Medium | 1 | |
| 2. | Vibrations in the Ether | 3 | |
Chapter II | |||
Principle and Theory of Wireless Telegraphy | |||
| 3. | Principle | 6 | |
| 4. | Synchronous Wave Motion and Tuning | 8 | |
| 5. | Theory | 11 | |
Chapter III | |||
The Apparatus Used | |||
| 6. | General Outline | 14 | |
| 7. | The Induction Coil | 14 | |
| 8. | Leyden-jar Battery | 15 | |
| 9. | The Spark-gap | 18 | |
| 10. | Production of Oscillatory Discharge | 19 | |
| 11. | The Inductance | 20 | |
| 12. | The Antenna | 22 | |
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