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AN ORATION,
DELIVERED FEBRUARY 24, 1775,
BEFORE
THE AMERICAN PHILOSOPHICAL SOCIETY,
HELD AT PHILADELPHIA,
FOR PROMOTING USEFUL KNOWLEDGE.
BY DAVID RITTENHOUSE, A. M.
MEMBER OF THE SAID SOCIETY.
(INSCRIBED)
To the Delegates of the thirteen United Colonies, assembled in Congress,
at Philadelphia, to whom the future liberties, and consequently the
virtue, improvement in science and happiness, of America, are
intrusted, the following Oration is inscribed and dedicated, by their
most obedient and humble servant, the Author.
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