Much that might properly be made a part of the preface has been embodied in the book, in order to avoid repetition, and to also bring certain matter to the attention of those readers who consider a preface to be merely an opportunity for the author of a book to express opinions very often quite foreign to the title, and so unconcernedly skip it with hardly more than a passing glance.
The author wishes to extend his sincere thanks to Mr. H. W. Young, Editor of Popular Electricity; to Mr. John Firth, to Colonel George P. Scriven, and to the Scientific American, for their kindness in supplying photographs for some of the illustrations, and to his friend, Mr. Safford Adams, who has kindly read the proofs and made many valuable suggestions.
ALFRED P. MORGAN. May, 1915.
TO
NIKOLA TESLA
WHOSE GENIUS HAS HARNESSED ELECTRICITY TO THE DAILY WORK OF MAN AND WHOSE INVENTIONS ARE THE BASIS OF ALL MODERN WIRELESS TRANSMISSION, THIS BOOK IS DEDICATED.
Contents
- [PREFACE]
- [CHAPTER I. INTRODUCTORY: WIRELESS TRANSMISSION AND RECEPTION. THE ETHER. ELECTRICAL OSCILLATIONS. ELECTROMAGNETIC WAVES.]
- [CHAPTER II. THE MEANS FOR RADIATING AND INTERCEPTING ELECTRIC WAVES. AERIAL SYSTEMS. EARTH CONNECTION.]
- [CHAPTER III. THE TRANSMITTING APPARATUS.]
- [CHAPTER IV. THE RECEIVING APPARATUS.]
- [CHAPTER V. TUNING AND COUPLING, DIRECTIVE WAVE TELEGRAPHY.]
- [CHAPTER VI. THE DIGNITY OF WIRELESS. ITS APPLICATIONS AND SERVICE. WIRELESS IN THE ARMY AND NAVY. WIRELESS ON AN AEROPLANE. HOW A MESSAGE IS SENT AND RECEIVED.]
- [CHAPTER VII. THE EAR. HOW WE HEAR. SOUND AND SOUND WAVES. THE VOCAL CHORDS. THE STRUCTURE OF SPEECH.]
- [CHAPTER VIII. THE TELEPHONE TRANSMITTER AND RECEIVER. THE PHOTO PHONE. THE THERMOPHONE. THE SELENIUM CELL. THE SPEAKING ARC.]
- [CHAPTER IX. THE WIRELESS TELEPHONE.]
- [CHAPTER X. REMARKS. THEORY. ACCOMPLISHMENTS. MAXWELL'S HERTZ'S DISCOVERY. THE FUTURE.]
- [CATALOGUE OF GOOD, PRACTICAL BOOKS]
LIST OF ILLUSTRATIONS