## 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, in which All the Rules of Navigation are Introduced ... 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 central altitude centre chronometer column compass corresponding Cosecant Cosine Cotangent 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. instrument Latitude and Departure line of numbers logarithm lower limb mean meridian altitude meridional difference method middle latitude miles moon moon's Nautical Almanac nearly noon object observed altitude P.M. Hour A.M. parallel Parallel Sailing perpendicular Plane Sailing points polar distance radius 90 refraction right ascension sea account Secant semidiameter sextant ship ship's side sine star subtract sun's declination Suppose Table taken tangent telescope triangle true altitude true distance variation wind zenith distance