A supplement to the treatise for finding the longitude. Containing all the requisites for the ready computing and obtaining the longitude of a ship or place, ... To which are added, tables of the declination of the sun, ... Also, the most practical method of obtaining the variation of the compass, ... By Robert Waddington, ...
Waddington, Robert.
London : printed by W. Richardson and S. Clark, for the author: and sold by Messrs. Mount and Page; J. Nourse; and W. Bristow,
1764.
ESTC