Supplement to the Horary tables, for finding the time by inspection :
to facilitate the operations for obtaining the longitude at sea, by chronometers and lunar observations : also for finding both the latitude and time, at any time of the day, by noting the exact interval, by a chronometer, between two observed altitudes of the sun; also in the twilight, or at any time of the night, by two observed altitudes of a fixed star: or by the simultaneous observations of the altitudes of any two celestial objects /
by Thomas Lynn.
|Main Author:||Lynn, Thomas, 1774-1847.|
London : printed for the author, 1827.
Navigation > Navigation / Tables.
v, 121 p. ;
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