Rare Books

The vvhole art of navigation; : in five books. Containing I. The principles of navigation and geometry. II. The principles of astromomy. III. The practical part of navigation. IV. The description and use of such instruments, as are useful in taking observations at sea, and therein, the use of a large new sinical quadrant, performing with more exactness than any yet extant, all questions relating to navigation; rendered so easie as to be understood by the meanest capacity. V. Useful tables in navigation, wherein those of the suns and stars declination and right ascension, &c. are newly calculated. The whole delivered in a very easie and familiar stile, by way of dialogue between a tutor and his scholar; approved by the ablest mathematicians