AND NAUTICAL ASTRONOMY. THE PRACTICAL PART; CONTAINING RULES FOR FINDING THE LATITUDE AND LONGITUDE, AND Author of a work on "Plane and Spherical Trigonometry;" "Iland-book of the Stars;" LONDON: JOHN WEALE, 59, HIGH HOLBORN. Given lat. from and lat. in, to find true diff. lat. Correction of courses Given compass course, variation and deviation, to find true course . Given true course, variation and deviation, to find compass course. 17 Given compass course, variation, deviation, and leeway, to find I. Given lat. and long. in, to find course and distance (by meri- |