| I. | Gutenberg and the Printing Press | 9 | | II. | Palissy and His Enamel | 42 | | III. | Galileo and the Telescope | 53 | | IV. | Watt and the Steam-Engine | 70 | | V. | Arkwright and the Spinning-Jenny | 84 | | VI. | Whitney and the Cotton-Gin | 96 | | VII. | Fulton and the Steamboat | 111 | | VIII. | Davy and the Safety-Lamp | 126 | | IX. | Stephenson and the Locomotive | 140 | | X. | Morse and the Telegraph | 168 | | XI. | McCormick and the Reaper | 189 | | XII. | Howe and the Sewing-Machine | 206 | | XIII. | Bell and the Telephone | 215 | | XIV. | Edison and the Electric Light | 233 | | XV. | Marconi and the Wireless Telegraph | 261 | | XVI. | The Wrights and the Airship | 273 |
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