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Titolo |
The sea-mans practice [[electronic resource] ] : Containing a fundamental probleme in navigation, experimentally verified. Namely, touching the compasse of the earth and sea, and the quantity of a degree in our English measure. Also, an exact method or form of keeping a reckoning at sea, in any kinde or manner of sailing. With certain tables and other rules usefull in navigation. As also in the plotting and surveying of places. The latitude of the principall places in England. The finding of currents at sea, and what allowance is to be given in respect of them. By Richard Norwood, reader of the mathematicks |
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