The new American practical navigator

Bowditch, Nathaniel; Stuart, Gilbert
Printed at Newburyport, Mass., 1802, by Edmund M. Blunt, for Cushing and Appleton, Salem : Sold by every book-seller, ship- chandler, and mathematical-instrument-maker in the United States and West Indies, 1802
15. Applied Astronomy Adams postulated mathmatically the existance of an unknown planet from its gravitational manifestations in this pamphlet.
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15. Applied Astronomy

Adams postulated mathmatically the existance of an unknown planet from its gravitational manifestations in this pamphlet.