The Orbit of Neptune, computed

by Sear C. Walker and Formulae in the Theory of Neptune. From the Proceedings of the American Academy. Read December 1847 by Benjamin Peirce, Sear C. Walker

$450 · Offered by James Cummins Bookseller

Single sheet folded to pp. 8. 8vo. Unbound, uncut, as issued. Laid into quarter brown calf dropbox. Poggendorff II, p. 388. Item #322424 In 1846 the planet Neptune was discovered by Galle through the independent research of John Couch Adams and Urbain Le Verrier by recognizing that the perturbation of Uranus were not fully accounted for the action of the other bodies of the solar system. Peirce shocked the scientific world by

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