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THE PRACTICAL PART;
RULES FOR FINDING THE LATITUDE AND LONGITUDE, AND
Author of a work on "Plane and Spherical Trigonometry;" "Hand-book of the Stars;"
JOHN WEALE, 59, HIGH HOLBORN.
I. Given lat. and long. in, to find course and distance (by meri-
II. Given course and distance, to find lat. and long. in (by meri-