Remainder | containing a fundamental problem in navigation, experimentally verified: namely, touching the compass of the earth and sea, and the quantity of a degree in our English measures. Also, an exact method or form of keeping a reckoning at sea in any kin or manner of sailing. With certain tables and other rules useful in navigation: as also the plotting and surveying of places: the latitude of the principal 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 |