The mariner's mirror; or The philsophical principles of navigation, applied in a new theory and practice, and in a method more universal, concise, and accurate, than any yet extant
Subtitle: including the fundamental theorems of nautical astronomy; and the correction of the lunar parallax; with new tables of meridional parts adapted to the true figure of the earth. Also a new construction of several nautical scales and other instruments. Elucidated with proper figures in two copper-plates
By: By B. Martin
Publisher: Printed for, and sold by the author in Fleet-street; and by all booksellers in city and country.
Published: 1768
Place of publication: London
Language: eng
Notes: Pt. 2 has subtitle, "Containing a new and genuine method of finding the longitude of a ship at sea. As also, the place and latitude of the moon, by a method of interpolation"; the work was completed by two more parts in 1772, containing "a new and compendious system of logarithms in all the various kinds" & the "Young trigonometer's new guide", respectively.

"A catalogue of philosophical, optical, and mathematical instruments made and sold by Benjamin Martin ...": leaf at end of pt. 1.