## A Collection of Tables and Formulae Useful in Geodesy and Practical Astronomy, Including Elements for the Projection of Maps |

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altitude angle applied Astronomical axis azimuth Barometer base called Co-ordinates compute convert correction corresponding decimal declination deflecting denote determined Diff difference distance division Earth east English equal Equator error experiments expressed Fahrenheit's feet foot formula French given greater Greenwich horizontal hour angle inches inclination intensity interval known latitude length less limb Long Longitude magnet mean measure meridian method metre middle mile minus minutes moon's Nautical Almanac nearly noon object observed obtained parallax parallel pole preceding proportion quantities radius readings reduce refraction result right ascension scale seconds sidereal sides solar square standard star station sun's Tables taken tang temperature term Thermometer tion transit true unit upper vertical vibration weight wire Yards zenith distance