The whole art of navigation containing, the application of geometry and astronomy to the practice of plain and mercatr's sailing ; both performed either with, or without the logarithms. / Daniel Newhouse . The description and use, at large, of the most necessary instruments for observations at sea. the explanation of sea-terms in an alphabetical order. The method of finding the variation of the compass by the sun's azimuth and amplitude ; as also keeping a sea-journal, and the several ways of correcting the dead-reckoning, &c With the most useful tables in navigation. The whole delivered in a very easy ndsimilar stile by way of dialogue between a tutor and his scholar