CONTENTS
| PAGE. | |
| History of Gunpowder | [1] |
| Manufacture of Gunpowder | [7] |
| Foreign Gunpowder | [20] |
| Explosive force of Gunpowder | [29] |
| Experiments with Gunpowder | [36] |
| Magazines | [23] |
| Lightning Conductors | [24] |
| Greek Fire | [4] |
| Ancient Engines of War | [39] |
| On Artillery | [62] |
| Portable Fire Arms | [73] |
| The Rifle | [86] |
| The Bayonet | [83] |
| Accoutrements | [84] |
| Breech-loaders | [92] |
| On Rifling | [95] |
| On Rifle Projectiles | [101] |
| Theoretical Principles | [110] |
| Gravity | [113] |
| Atmosphere | [115] |
| Form of Bodies | [119] |
| Causes of Deviation | [121] |
| Windage | [121] |
| Rotation | [122] |
| On Eccentric Projectiles | [124] |