Astronomical observations made at Hudson observatory, latitude 41⁰ 14' 40" north, and longitude 5h. 25m. 45s. west
By: By Elias Loomis ... Read April 2d and 16th, 1841
Published: 1843
Place of publication: Philadelphia
Language: eng
Number of pages: 154
Notes: Detached from v.viii (n.s.) of the Transactions of the American philosophical society, 1843.

Includes (p. 159) errata for 3 earlier articles by Loomis in v. 7 of the Transactions.