The elements of physical and geometrical astronomy. To which is annex'd, Dr. Halley's synopsis of the astronomy of comets. With an introd. and indexes by I. Bernard Cohen.

2 v. (xxii, xii, 905 p.) :, 23 cm.

QB42 .G8 1972 v.2

Comets -- Orbits., Astronomy -- Early works to 1800.

New York :: Johnson Reprint Corp., 1972.

Book