Epitome of the art of navigation, or, A short, easy, and methodical way to become a complete navigator : containing practical geometry, plane and spheric, superficial and solid, with its uses in all kinds of mensuration ; trigonometry plane and spheric, both geometric, instrumental, and logarithmic, with its uses in navigation, viz., in plane, Mercator's and great circle sailing, geography, astronomy, the projection of the sphere, &c. ; the Gregorian or New calendar, de