The seamans secrets : Deuided into 2.partes, wherein is taught the three kindes of sayling, horizontall, paradoxall, and sayling vpon a great circle: also an 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 heretofore set foorth by any. Newly corrected by the author Iohn Dauis of Sandrudge, neere Durthmouth, in the countie of Deuon, gent.