## The New American Practical Navigator: Being an Epitome of Navigation, Containing All the Tables Necessary to be Used with the Nautical Almanac in Determining the Latitude, and the Longitude by Lunar Observations, and Keeping a Complete Reckoning at Sea : Illustrated by Proper Rules and Examples : the Whole Exemplified in a Journal Kept from Boston to Madeira, in which All the Rules of Navigation are Introduced : Also, the Demonstration of the Usual Rules of Trigonometry, Problems in Mensuration, Surveying and Gauging, Dictionary of Sea Terms, and the Manner of Performing the Most Useful Evolutions at Sea : with an Appendix ... |

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### Common terms and phrases

anchor apparent altitude azimuth cable calculation central index centre chord chronometer circle column compass Corr correct altitude correct central altitude corresponding Cosec cosine degrees diameter Diff difference of latitude difference of longitude Dist divided draw elapsed equal equator error EXAMPLE feet Funchal given Greenwich Half-sum horizon glass hour angle hypotenuse instrument latitude and departure line of numbers line of sines logarithm lower limb mean meridian altitude meridional difference method middle latitude miles minutes moon moon's multiplied Nautical Almanac nearly noon object observed altitude obtained parallax parallel passing the meridian perpendicular Plane Sailing points polar distance pole quadrant radius 90 refraction right ascension rule sea account secant semidiameter sextant ship ship's side star subtracted sun's declination Suppose taken tangent telescope traverse table triangle true altitude true distance variation wind wires zenith distance