Online Book Subjects: Hudson Observatory Displaying 1 - 2 of 2 Astronomical observations made at Hudson Observatory, latitude 41 ̊14' 42".6,north, and longitude 5 h. 25m. 39s. 5 west Loomis, Elias; American Philosophical Society [Publisher not identified] 1844 Astronomical observations made at Hudson Observatory, latitude 41° 14' 37" north, and longitude 5h. 25m. 42s. west Loomis, Elias; American Philosophical Society [Publisher not identified] [1839?]
