| CHAP. | | PAGE | | I. | THE ORIGIN OF BALLOONING | 9 | | II. | THE COMING OF THE GAS BALLOON | 23 | | III. | FAMOUS BALLOON VOYAGES OF THE PAST | 38 | | IV. | THE BALLOON AS A SCIENTIFIC INSTRUMENT | 57 | | V. | THE BALLOON IN WARFARE | 69 | | VI. | THE AIRSHIP | 84 | | VII. | THE FLYING MACHINE | 105 | | VIII. | CONCLUSION | 119 |
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