A Handbook of Wireless Telegraphy : Its Theory and Practice, for the Use of Electrical Engineers, Students, and Operators (Paperback)

Preface; 1. Adaptations of the electric current to telegraphy; 2. Earlier attempts at wireless telegraphy; 3. Apparatus used in the production of high frequency currents; 4. Detection of short-lived currents of high frequency by means of imperfect electrical contacts; 5. Detection of oscillatory currents of high frequency by their effects on magnetised iron; 6. Thermometric detectors of oscillatory currents of high frequency; 7. Electrolytic detectors; 8. The Marconi system; 9. The Lodge-Muirhead system; 10. The Fessenden system; 11. The Hozier-Brown system; 12. Wireless telegraphy in Alaska; 13. The De Forest system ? the Poulsen system; 14. The Telefunken system; 15. Directed systems; 16. Some points in the theory of jigs and jiggers; 17. On theories of transmission; 18. World-wave telegraphy; 19. Adjustment, electrical measurements, and fault testing; 20. On the calculation of a syntonic wireless telegraph station; 21. Tables and notes; Index.