## 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 ... the Whole Exemplified in a Journal, Kept from Boston to Madeira ... with an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars ... |

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### Common terms and phrases

anchor angle Apparent Altitude apparent distance azimuth bearing cable calculated centre chronometer column compass corresponding Cosecant Cosine Cotangent course degrees Diff difference of latitude difference of longitude Dist equal equator error EXAMPLE feet Funchal given Greenwich half-sum horizon glass horizontal parallax hour angle Hour P.M. hypotenuse instrument Latitude and Departure line of numbers logarithm lower limb mean meridian altitude method middle latitude miles moon moon's Nautical Almanac nearly noon º º object observed altitude P.M. Hour A.M. parallel passing the meridian perpendicular Plane Sailing points polar distance radius 90 refraction right ascension sails sea account Secant semidiameter sextant ship ship's side sine ſº subtract sun's declination Suppose taken tangent telescope Third Correction triangle true distance variation wind zenith distance