Tables to Facilitate the Necessary Calculations in Nautical Astronomy ...: Designed to Enable Navigators to Determine Their Longitude from Lunar Observations ... Prefixed, an Explanation of the Tables ...
The Author, 1822 - 340 pages
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added Additive adjustment Almanac angle APPARENT ALTITUDE applied approximate arch arguments called CENTER Chronometer column computed contains correction corresponding Cosecant Cosine Coversed declination Diff difference direct distance divided division east equal equation error EXAMPLE figures four given glass greater Greenwich half hand horizon increased interval latitude less limb logarithm LOGARITHMIC SINES LOGARITHMIC VERSED longitude lower mean meridian meridian distance method middle minutes Moon Moon's MOON'S CENTER move natural nearest nearly noon number from Table object observation opposite passes plane preceding proportional logarithm quadrant reduced reflected refraction remainder right ascension screw Secant second difference Semidiameter in Altitude ship side Sine Star Star's subtract Sucoversed Sun's Suversed Table taken transit true altitude true distance variation Versed watch zenith