## A treatise on navigation, and nautical astronomy |

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A B C added altitude Answer apparent altitude called Cape centre circle Coast column compass computed contained correction corresponding Cosec Cosine Cotang course declination departure difference Difference of Latitude Dist distance divided drawn England equal equator EXAMPLES Extend figure given greater Greenwich half Hence horizontal hour Indian Island Isles join latitude less logarithm longitude mean measure meet meridian middle miles moon nearly noon object observed opposite Pacific Ocean parallax parallel passing perpendicular plane pole PROBLEM produced proportion quantity radius rectangle remainder right angles right ascension sail Secant ship sides sine squares star subtract Suvers Table taken tangent Theo THEOREM triangle true Vers