Astronomical observations made at Hudson Observatory, latitude 41° 14' 37" north, and longitude 5h. 25m. 42s. west : with some account of the building and instruments (1839)
de at Hudson Observatory , Latitude 41° 14' 37" North , and Longitude 5 li. 25 m. 42 s. West; with some Account of the Building and Instruments. By Elias Loomis , Professor of Mathematics and Natural Philosophy in Western Reserve College , Hudson, Ohio. Read October 4, 1839. Hudson Observatory… … brick, are one foot in thickness. The transit room is represented upon the left hand in the annexed figure. It is ten feet by twelve upon the inside, and seven