| Table of Contents | |
| Section | Page |
| Start of eBook | 1 |
| CHAPTER I. | 1 |
| CHAPTER II. | 9 |
| CHAPTER III. | 15 |
| CHAPTER IV. | 17 |
| CHAPTER V. | 29 |
| CHAPTER VI. | 32 |
| CHAPTER VII. | 45 |
| CHAPTER VIII. | 51 |
| CHAPTER IX. | 60 |
| CHAPTER X. | 73 |
| CHAPTER XL | 80 |
| CHAPTER XII. | 88 |
| APPENDIX. | 95 |
| 95 | |
| II. DERIVED MECHANICAL UNITS.- | 95 |
| III. ELECTROSTATIC UNITS.— | 96 |
| IV. MAGNETIC UNITS.— | 97 |
| V. ELECTRO-MAGNETIC UNITS.— | 97 |
| PRACTICAL UNITS OF ELECTRICITY. | 97 |
| HEAT UNITS. | 98 |
| LIGHT UNITS | 99 |
| Information about Project Gutenberg (one page) | 99 |
| (Three Pages) | 101 |

