COLONEL GAMALIEL LYMAN DWIGHT, Providence, ALS to SARAH HELEN WHITMAN

Containers:

Box 3

Extent:

2 pp.

Scope and content:

Donaldson, an aeronaut, has tried and proved Poe's theory of "staying" a balloon in mid-air. Mrs. Whitman notes on the back of this letter that Washington Harrison Donaldson was engaged by P. T. Barnum to make thirty successive balloon ascensions to determine the wind, in view of an ocean balloon voyage to be undertaken.

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