The navigator : shewing and explaining all ye chiefe principles and parts both theorick & practick, that are contayned in the famous art of navigation. With a new and admirable way of sayling by the arch of one of the greatest circles. Contayning excellent tables most exactly calculated, shewing the true proportion of all paralels in respect of the meridian. With the proper phraises vsed in working of a ship according to all weathers. / By Captain Charles Saltonstall.