Ornament Details
058020180000800_1
tailpiece
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 rendered peculiarly easy for Practice, and annexed with a compleat and correct Sett of all the necessary tables; By N. D. Falck, M.D.
printed for J. Mount, T. Page and W. Mount, on Tower Hill
80
1033
620
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