BOWDITCH, Nathaniel. An Appendix to the New American Practical Navigator, Containing, Tables for Clearing the Apparent Distance of the Sun and Moon, from the Effects of Parallax and Refraction by a New Method. In Which all the Corrections are Additive. Newburyport, Mass.: Edmund M. Blunt, 1804.

细节

BOWDITCH, Nathaniel. An Appendix to the New American Practical Navigator, Containing, Tables for Clearing the Apparent Distance of the Sun and Moon, from the Effects of Parallax and Refraction by a New Method. In Which all the Corrections are Additive. Newburyport, Mass.: Edmund M. Blunt, 1804.

8o (214 x 142 mm). (Some pale spotting.) Original plain wrappers, advertisement for the Newburyport Book Store and bindery [final leaf] mounted on inner rear wrapper (some chipping).

FIRST EDITION. Bowditch corrects the instructions on p.180 of his Practical Navigator for calculating the distance of the moon from the sun or a star. Four new tables are added to facilitate calculation. Shaw & Shoemaker 5896.