seaman's daily assistant
Subtitle: being a short, easy, and plain method of keeping a journal at sea; in which are contained, rules, shewing how the allowances for leeway, variation, heave of the sea, set of currents, &c. are to be made, and to correct the dead-reckoning by an observation, in all cases: and also all the tables that are any ways necessary for the seaman's use in keeping a journal.
By: By Thomas Haselden.
Publisher: Printed for J. Mount and T. Page
Published: 1778
Place of publication: London
Language: eng
Number of pages: 167
Subjects: Navigation -- Early works to 1800.
Genres: Early works to 1800.