movelearn

Edison: His Life and Inventions by Frank Lewis Dyer and Thomas Commerford Martin

2 by Thomas Commerford Martin, Dyer, Frank Lewis, 1870-1941, Martin, Thomas Commerford, 1856-1924

Chapter 21: 9. Educational purposes; such as preserving the explanations made by a

Chapters

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

Chapter 21: 9. Educational purposes; such as preserving the explanations made by a

teacher, so that the pupil can refer to them at any moment, and spelling or other lessons placed upon the phonograph for convenience in committing to memory.

27 words

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