| CHAPTER | | PAGE | | I. | Tool-Making Animals | 9 | | II. | The Anatomy of a Machine | 20 | | III. | Machines for Making Machines | 42 | | IV. | Counting Seconds | 57 | | V. | Putting Rivers to Work | 75 | | VI. | Liquid Levers and Gears | 94 | | VII. | Air vs. Water | 109 | | VIII. | Air Springs and Cushions | 126 | | IX. | Power from Heat | 139 | | X. | Burning Fuel in the Engine Cylinder | 155 | | XI. | When Coal and Oil Are Exhausted | 171 | | XII. | Invasion of the Sea | 182 | | XIII. | Sliding, Rolling, Walking, and Creeping | 203 | | XIV. | Invasion of the Sky | 219 | | XV. | Helping the Farmer | 239 | | XVI. | Machining the Earth | 251 | | XVII. | From Fiber to Fabric | 268 | | XVIII. | The Making of Paper | 289 | | XIX. | Typesetting and Printing Machinery | 300 | | XX. | Cast Iron, Wrought Iron, and Steel | 314 | | XXI. | Animated Machinery | 326 | | XXII. | Heat Vacuums | 345 | | XXIII. | Engines of Destruction | 359 | | XXIV. | Summary of Mechanical Progress | 376 |
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