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Radcliffe Tracts 47 (1)Adams, Q.
Discovery of the Longitude at Sea by Solar Distance. In this Essay the superior certainty of Simple to Compound Motion, for the Mensuration of Time, and consequent Advantage, in that respect, of a Sand Glass, adjusted to the Earth's Diurnal Revolutiom, for Ascertaining at Sea, The Hour of Mid-Day, under the First Meridian; and according to the Sun's Declination, the true Time of his passing that Meridian is pointed out; and the Practicability of availing ourselves of that Advantage, demonstrated by a Problem for finding the Longitude, In all other Respects independently of Time, by his Altitude in that Meridian
London: Printed by the Philanthropic Society; and sold for the Author, by W. Hatton, no. 3, Tothill Street, near Westminster Abbey; or may be had of the Author, as above, 1810.
[1934-41]
1810