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Dr John Jeffries 1745-1819 Boston physician scientist and military surgeon Best known for
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Dr John Jeffries 1745-1819 Boston physician scient...

First balloon crossing of the English Channel, 7 January 1785 by the French inventor Jean-Pierre
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First balloon crossing of the English Channel, 7 J...

A vehicle of the balloon ground crew on a badly corrugated road
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A vehicle of the balloon ground crew on a badly co...

A vehicle of the balloon ground crew crossing a sandy plain at the edge of the Namib Desert
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A vehicle of the balloon ground crew crossing a sa...