## The Theory and Practice of Finding the Longitude at Sea Or Land: To which are Added, Various Methods of Determining the Latitude of a Place, and Variation of the Compass; with New Tables, Volume 2 |

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53 Degrees aberration Altitude Moon's Center angle answering Apparent Altitude Moon's arch Argument cº cº Co-sine Co-tangent Co-versed Sine COMPUTING contains correction corresponding declination Degrees.T Diff DIFFERENCE distance equation Error ExAMPLE figures given half Horizontal Parallax increased interval l l l latitude less LOGARITHMIC SINES LOGARITHMIC TANGENTS lºgº longitude mean meridian method minute Moon Moon's Apparent Altitude NATURAL VERSED SINES º cº º º º object observation ºil ºilº ºlº ºº precession PROBLEM proportional reduced remainder Required right ascension rising RULE semidiameter setting signs sº sº sºil sºlº star subtracted Sun's TABLE TABLE XLI Tangent term Tºo transit true twilight Versed Sine Supplt