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Contents
Other editions - View allCommon terms and phrasesanchor apparent altitude azimuth cable calculation centre chronometer circle column compass Corr correct central altitude corresponding Cosec cosine decimal degrees diameter diff difference of latitude difference of longitude Dist divided draw elapsed equal equator error EXAMPLE feet given Greenwich Half-sum horizon glass horizontal parallax 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 parallel Parallel Sailing passing the meridian perpendicular Plane Sailing polar distance quadrant radius 90 refraction right ascension rule sea account secant semidiameter sextant ship ship's side star subtract sun's declination Suppose taken tangent telescope traverse table triangle true altitude true distance true longitude variation wind wires zenith distance Bibliographic information
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