The seamans secrets : Divided into two parts, wherein is taught the three kindes of sayling, horizontall, paradoxall, and sayling vpon a great circle. Also a horizontall tyde-table for the easie finding of the ebbing and flowing of the tydes, with a regiment newly calculated for the finding of the declination of the sunne, and many other most necessary rules and instruments: not heeretofore set forth by any.