The ready observator, or, An infallible method for determining the latitude at sea, by altitudes of the sun, at any time of the day, either fore-noon or after-noon, independant of a meridional observation : the whole renderd peculiarly easy for practice, and annexed with a compleat and correct sett of all the necessary tables /

Bibliographic Details
Main Author:	Falck, N. D. (Nikolai Detlef), 1736-1783 (Author)
Format:	Book
Language:	English
Published:	[London] : Printed for J. Mount, T. Page and W. Mount, on Tower Hill, 1778.
Edition:	The second edition, with an appendix.
Subjects:	Latitude > Tables > Early works to 1800. Tables (Data)

Cushing: Maritime (Does not check out)