Chapter III: Preface

PREFACE TO THE THIRD EDITION. .....................................
CHAPTER I. INTRODUCTORY. ..........................................
The Transmission and Reception of Electric Waves. ...............
CHAPTER II. THE APPARATUS. ........................................
CHAPTER III. AERIALS AND EARTH CONNECTIONS. .......................
CHAPTER IV. INDUCTION COILS. ......................................
CHAPTER V. INTERRUPTERS. ..........................................
CHAPTER VI. TRANSFORMERS. .........................................
Construction of a 2-K.W. Transformer. ...........................
CHAPTER VII. OSCILLATION CONDENSERS AND LEYDEN JARS. ..............
CHAPTER VIII. SPARK GAPS OR OSCILLATORS. ..........................
CHAPTER IX. TRANSMITTING HELIXES. .................................
CHAPTER X. KEYS. ..................................................
CHAPTER XI. AERIAL SWITCHES AND ANCHOR GAPS. ......................
CHAPTER XII. HOT WIRE AMMETER. ....................................
CHAPTER XIII. OSCILLATION DETECTORS. ..............................
"UNIVERSAL" DETECTOR. ...........................................
ELECTROLYTIC DETECTORS. .........................................
TANTALUM DETECTOR. ..............................................
CRYSTAL DETECTORS. ..............................................
LEAD PEROXIDE DETECTOR. .........................................
THE MARCONI MAGNETIC DETECTOR. ..................................
CHAPTER XIV. TUNING COILS AND TRANSFORMERS. .......................
CHAPTER XV. RECEIVING CONDENSERS. .................................
CHAPTER XVI. TELEPHONE RECEIVERS AND HEADBANDS. ...................
CHAPTER XVII. OPERATION. ..........................................
ELECTRICAL TERMS AND DEFINITIONS. ...............................