https://creativecommons.org/publicdomain/zero/1.0/ https://www.rawpixel.com/image/429694 Auguste Lanteigne proposes a system of airship navigation utilizing a series of 16 balloons on a single keel. Original from…

Auguste Lanteigne proposes a system of airship navigation utilizing a series of 16 balloons on a single keel. Original from Library of Congress. Digitally enhanced by rawpixel.

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