Navigation new modelled, or, A treatise of geometrical, trigonometrical, arithmetical, instrumental, and practical navigation :
teaching how to keep a reckoning, both in latitude and longitude, without tables or instruments, by a new method never yet published : illustrated with practical examples of keeping a journal and correcting it by an observation, with a new way of finding the variation and time of high-water at any known port : together with all necessary tables, calculated to the new stile, and the projection of the sphere, orthographic and stereographic : also current sailing, with other pleasant questions, and how to correct the longitude by a solar observation /
by Henry Wilson.

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