Tables Requisite to be Used with The Nautical Ephemeris: For Finding the Latitude and Longitude at Sea. First Published in London by Order of the Commissioners of Longitude. To which are Now Added, the Most Useful Astronomical Tables by Maskelyne, La Lande, Robertson, Vince, Mackay, Mendoza Rios, De Borda, &c., with Many New Problems Explaining Their Use
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aberration according added Afia Africa Alia altitude Amer amplitude angle answering apparent argument Cape computed contains correction corresponding cosine DEGREES diff difference dist distance east equal equation error Europe England 51 Europe France EXAMPLE feet figures give given greater Greenwich half height horizon increase India interval Italy latitude less logarithm longitude mean meridian method minutes moon moon's motion natural Nautical Almanac nearest noon object observed observed altitude Pacific Ocean parallax planet Point problem prop proportional reduced refraction right ascension rising RULE semidiameter ship side signs Sine star Star's subtracted sun's declination taken Tang tangent true true altitude variation