Tables Requisite to be Used with The Nautical Ephemeris for Finding the Latitude and Longitude at Sea
W. Richardson, sold by C. Nourse, 1781 - Nautical astronomy - 237 pages
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༢༠ ༨༠ added Afric Amer apparent altitude apparent diſtance Cape Co-fecant Co-fine Co-tang computing the Latitude Corr corrected declination Degrees Diff difference effect England EXAMPLE fame fecond feet femi-diameter fhip fine fouth France France ftar fubtract fun's fun's declination give given greater Greenwich half height HOURS Ifle Italy Logarithmic Sines Logarithms of Numbers Logelap Long longitude means meridian meridional altitude method minutes moon Moon's Center moon's declination muſt Natural Nautical Almanac noon obferved object Ocean Pacif points Problem Proportional Logarithms reducing Rifing right afcenfion Secant ſhip Ship at Sea ſtar Star's Sun's TABLE XIX TABLE XVI TABLE XVIII taken Tangent true altitude true Diſtance uſed variation VIII watch zenith