Rare Boon Dept,
ig a .189 i
Ars navigandi.
Heartte, Isaac T
Ars navigandi: or, Tables of longitude, for correcting the effects of parallax and refraction, on the distances observed between the sun and moon, or moon and star; whereby the true distance is obtained, by a much shorter method, than any hitherto published. And in which, the errours con- tained in the Tables of Turner, and other writers on this science, are carefully corrected: by Isaac T. Heartte ...
Baltimore, Printed for the author,by B.Edes:
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