A Treatise on Navigation and Nautical Astronomy ... Fourth edition, etc

Answer apparent altitude Atlantic Ocean auxiliary arc Cape celestial object centre chronometer circle Coast computed correction Cosec Cosine Cotang Decimal Versed diff lat diff long Difference of Latitude difference of longitude Dist equal equator EXAMPLES FOR EXERCISE Fomalhaut given Greenwich Greenwich mean Hence Horizontal Parallax Indian Archipelago Indian Ocean Island Latitude and Departure latitude and longitude Logarithms longitude Lunar Distance mean meridian distance miles moon moon's Nautical Almanac noon Pacific Ocean Parallax parallel perpendicular place of observation polar distance prop log radius rectangle right angles right ascension sail Secant semid semidiameter ship sides spherical triangle square star subtract sun's Suvers Suversed Sines Table Tang Theo THEOREM triangle A B C true altitude true distance Vers Versed and Suversed zenith distance