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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