American practical navigator
Subtitle: an epitome of navigation and nautical astronomy.
By: Originally by Nathaniel Bowditch, LL. D.
Edition: (Rev. ed. of 1938) Published by the United States Hydrographic Office under the authority of the secretary of the navy.
Series: United States. Hydrographic Office. [Publication] -- no. 9
Publisher: U.S. Govt. Print. Off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 391
Subjects: Navigation.; Nautical astronomy.
Notes: First published in 1802 under title: The new American practical navigator. In 1866 the United States Hydrographic Office bought the copyright and since that time has published the book, revising it completely from time to time to keep step with the modern changes in navigation methods. cf. p. 3, pt. I.

"Hydrographic Office manuals of navigation and nautical astronomy": p. 5, pt. I.