## 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 ... Dictionary of Sea Terms; and the Manner of Performing the Most Useful Evolutions at Sea: : with an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars ...E. & G. W. Blunt, proprietors ... Stereotyped at the Boston Type and Stereotype Foundry, 1844 - Nautical astronomy - 452 pages |

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### Common terms and phrases

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