Astronomicel observations.
Bowditch, Nathaniel. **E.200a .82
On the eclipse of the sun of Sept. 17, 1811 ... Elements of the orbit of the comet of 1811. Es- timste of the height of the White Hills in New Hampshire. Variations of the magnetic needle, (Camb. 1809.) 255-304, 313-343 pp. 4°, From Memoirs of the Amer. acad. of arts and sciences, 1809 [*3370.7.3] .«