The mariners new kalender [electronic resource] : Containing the principles of arithmetick and 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 table 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-staft, and nocturnal. The problems of plain-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 coming into the channel. With directions for sailing into some principal harbours. By Nathaniel Colson, student in the mathematicks.