img The Dominion of the Air: The Story of Aerial Navigation  /  Chapter 19 THE TRAGEDY OF THE ZENITH-THE NAVIGABLE BALLOON | 65.52%
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Chapter 19 THE TRAGEDY OF THE ZENITH-THE NAVIGABLE BALLOON

Word Count: 2849    |    Released on: 01/12/2017

etical and practical aeronauts. One of the earliest machines deserving of special mention was designed by M. Giffard

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