The mariner's new calendar Containing the principles of arithmetic and practical geometry; with the Extraction of the Square and Cube Roots: Also Rules for finding the Prime, Epact, Moon's Age, Time of High-Water, with Tables for the same. Together with exact tables of the Sun's Place, Declination, and Right-Ascension: Of the Right Ascension and Declination of the Principal Fixed Stars: Of the Latitude and Longitude of Places: A large Table of Difference of Latitude and Departure, for the exact Working a Traverse. Also the description and use of the sea-quadrant, Fore-Staff and Nocturnal: Necessary Problems in Plane-Sailing and Astronomy, wrought by the Logarithms, and by Gunter's Scale: A Tide Table: The Courses and Distances on the Coast of Great Britain, Ireland, France, &c. And the Soundings at coming into the Channel: with directions for sailing into some principal harbours. By Nathaniel Colson, Student in the Mathematics. The whole revis'd, and adjusted to the new stile, by William Mountaine, F.R.S