INTRODUCTION

1. Chapter 1 2. INTRODUCTION 3. INTRODUCTION 4. CHAPTER I 5. CHAPTER II 6. CHAPTER III 7. CHAPTER IV 8. 1890. The expiration of the leading Bell telephone patents, five years 9. CHAPTER V 10. CHAPTER VI 11. CHAPTER VII 12. CHAPTER VIII 13. CHAPTER IX 14. introduction. There he made the acquaintance of Professor Tyndall, 15. CHAPTER X 16. 1. Letter writing and all kinds of dictation without the aid of a 17. 2. Phonographic books, which will speak to blind people without effort 18. 5. The 'Family Record'--a registry of sayings, reminiscences, etc., by 19. 7. Clocks that should announce in articulate speech the time for going 20. 8. The preservation of languages by exact reproduction of the manner of 21. 9. Educational purposes; such as preserving the explanations made by a 22. 10. Connection with the telephone, so as to make that instrument an 23. introduction from Mr. Jay Gould, who then controlled the Union Pacific, 24. CHAPTER XI 25. CHAPTER XII 26. introduction of his lighting system, when he spent a large part of his 27. CHAPTER XIII 28. CHAPTER XIV 29. 1882. Outside of Menlo Park this was the first regular station for 30. INTRODUCTION OF THE EDISON ELECTRIC LIGHT 31. CHAPTER XVI 32. CHAPTER XVII 33. CHAPTER XVIII 34. CHAPTER XIX 35. CHAPTER XX 36. introduction of some bold and revolutionary methods and devices, have 37. CHAPTER XXI 38. CHAPTER XXII 39. introduction. Nevertheless, he accepted the principle as valuable, and 40. CHAPTER XXIII 41. introduction of the underground Edison system in New York made an appeal 42. CHAPTER XXIV 43. CHAPTER XXV 44. CHAPTER XXVI 45. CHAPTER XXVII 46. CHAPTER XXVIII 47. introduction of the light was carried on with such strenuous and 48. CHAPTER XXIX 49. INTRODUCTION TO THE APPENDIX 50. Chapter XXI, it will be unnecessary to repeat it here. Suffice it to say 51. 1. As to the additional reference letters, I is a condenser J the source 52. 10. Duration on account of its dependability. 11. Its high practical