The Improved Practical Navigator: Containing All Necessary Instruction for Determining the Latitude by Various Methods, and for the Ascertaining the Longitude by Lunar Observations, in a Complete Epitome of Navigation. To which is Added a Number of New Tables
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added altitude anchor angle Answer apparent arch base bearing called Cape centre chart circle Co-sec co-sine column compass contains correction corresponding course declination Degs departure diff difference of latitude difference of longitude Dift direct dist distance Ditto divided draw earth east England equal EXAMPLE extent fathoms feet figure given gives glass greater Greenwich half hand Head high water horizon land length less logarithm marked means measured meridian middle miles minutes moon moon's nearly noon object observation opposite parallel passing perpendicular plane points port proportion radius reach remainder right ascension rising rule sail scale Secant ship ship's side sine stands star subtracted sun's Suppose Table taken Tang tangent true variation wind