Nautical Science in Its Relation to Practical Navigation: Together with a Study of the Tides and Tidal Currents |
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Nautical Science in Its Relation to Practical Navigation, Together with a ... Charles Lane Poor No preview available - 2012 |
Common terms and phrases
accurate actual apparent astronomical average axis azimuth body calculated canal centre changes chart chronometer circle of latitude circle of position clock coast computed correction crosses the meridian curve D.R. latitude declination determined diameter diurnal earth earth's surface east eastward equator equinox error ex-meridian exactly feet finding formula Greenwich mean heat heavens height high and low high water horizon hour angle instant instrument interval Island Jupiter known length line of position longitude low water lunar meridian altitude meridian passage method miles minutes moon motion moving Nautical Almanac navigator nearly nodal line Observatory observed altitude ocean orbit oscillation parallax particle path pendulum period planet pole port prime vertical refraction right ascension rotation ship ship's sidereal sidereal day sight simple solar day star Sumner line sun's tables temperature tidal forces tides tion true tude vernal equinox vibrate zenith distance
Popular passages
Page 71 - The squares of the periods of revolution of any two planets are proportional to the cubes of their mean distances from the sun.
Page 96 - our astronomical observer" at a salary of £100 per annum, his duty being "forthwith to apply himself with the most exact care and diligence to the rectifying the tables of the motions of the heavens and the places of the fixed stars, so as to find out the so much desired longitude of places for the perfecting the art of navigation.