CONTENTS.
| PAGE | |
| [CHAPTER I.] | |
| Inventive Progress | [1] |
| [CHAPTER II.] | |
| Natural Power | [22] |
| [CHAPTER III.] | |
| Storage of Power | [53] |
| [CHAPTER IV.] | |
| Artificial Power | [72] |
| [CHAPTER V.] | |
| Road and Rail | [91] |
| [CHAPTER VI.] | |
| Ships | [122] |
| [CHAPTER VII.] | |
| Agriculture | [144] |
| [CHAPTER VIII.] | |
| Mining | [167] |
| [CHAPTER IX.] | |
| Domestic | [195] |
| [CHAPTER X.] | |
| Electric Messages, Etc. | [216] |
| [CHAPTER XI.] | |
| Warfare | [233] |
| [CHAPTER XII.] | |
| Music | [249] |
| [CHAPTER XIII.] | |
| Art and News | [264] |
| [CHAPTER XIV.] | |
| Invention and Collectivism | [276] |