The mariner's new calendar. Containing the principles of arithmetic and practical geometry, with the extraction of the square and cuberoots: also rules for singing 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 the 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 plain-sailing and astronomy wrought by the logarithms, and by gunter's scale. A tidk 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 principle harbours. Nathaniel Colson, student in the mathematicks. The whole revis'd and adjusted to the New-Stile, by William Mountaine, F.R.S. To this edition is added, the compleat Irish Coaster.

Date:

M,DCC,LIV. [1754]