The navigator : shewing and explaining all the chiefe principles and parts both theoretick and practick, that are contained in the famous art of navigation. With a new and admirable way of sayling by the arch of one of the greatest circles. Containing excellent tables most exactly calculated, shewing the true proportion of all parallels in respect of the M. dian. With the proper phrases used in working of a ship according to all weathers. With a word of advice to all sea-men not to medle with the plane charts used in our time, their deceipts discovered, and a way to prove the projection of any plain chart; how to make the log-line according to a true degree in the meridian. The third edition corrected and enlarged. By Captain Charles Saltonstall.