PREFACE TO THE SECOND EDITION. CHAPTER III. INSULATIONS AND CEMENTS. CHAPTER VI. SPECTRUM ANALYSIS. CHAPTER VII. CURRENTS IN VACUO. CHAPTER VIII. ROTATING EFFECTS. CHAPTER X. BATTERIES FOR COILS. CHAPTER XI. STORAGE OR SECONDARY CELL. CHAPTER XII. TESLA AND HERTZ EFFECTS. CHAPTER XIII. THE "ROENTGEN" RAYS AND RADIOGRAPHY. CHAPTER XIV. WIRELESS TELEGRAPHY. INCLUDING RUHMKORFF, TESLA, AND MEDICAL COILS, BY SECOND EDITION, REVISED AND MUCH ENLARGED Colophon NEW YORK: LONDON: Entered, according to Act of Congress, in the year 1896 BURR PRINTING HOUSE, ERRATA. Page 55. Should read, "Cords being attached to binding posts Nos. 1 and 2 are in circuit with the Secondary Coil only. When at Nos. 2 and 3 they receive the induced current or extra current in the Primary." Index. "Tesla coil, descriptive," should read "Tesla coil, disruptive." |