On the Longitude of the Hall of the American Philosophical Society, deduced from an Occultation of Aldebaran observed by S.C. Walker January 5th 1830; read before the American Philosophical Society Ocober 18th 1833 [Transactions of the American Philosophical Society, vol. 5 New Series, Article IV]
Philadelphia: Printed by James Kay, Jun. & Brother, 1837. [2] p.: tables; 29 cm. Disbound from a larger volume. Sears Cook Walker (1805-1853) was an American astronomer who worked at the United States Naval Observatory and later for the United States Coast Survey; he also investigated the orbit of the..... More