Table of Contents

Preface; Introduction; Part I. Radio in General: 1. On broadcasting; 2. Early pioneering work in radio waves; 3. The discovery of the waves; 4. The development of radiotelegraphy; 5. Wireless achievement and anticipation; 6. Vast range of ether vibrations; 7. The transmission of wireless waves; 8. Wave peculiarities; 9. On the general theory of ether waves; 10. Earth transmission; 11. The Heaviside layer; Part II. Details that Make for Efficiency: 12. Some points about capacity and inductance; 13. Conditions for maximum inductance; 14. The importance of good contact; 15. Advantage of low resistance and stranded wire; 16. Some disadvantages of reaction; 17. Stray capacities and couplings; 18. The use of iron in transformers; 19. Contrasting methods of aerial excitation; 20. Phase difference in different kinds of coupling; 21. The grid as traffic regulator; Part III. Calculations for Amateur Constructors: 22. Comparison of the absolute magnitudes of capacity and inductance; 23. A plea for easy specification; 24. On self-induction and its maximum value; 25. Desiderata for inductance coil of receiver; 26. How to calculate the conductance of coils; 27. On the use of a simple formula for maximum inductance; 28. To estimate the capacity of an aerial; 29. Calculation of aerial capacity; 30. On the damping of vibrations by coils of wire; 31. The romance of wireless; Index.

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Originally published in 1925, this is a guide to all aspects of radio technology by a renowned physicist and broadcaster.