The New American Practical Navigator: Being an Epitome of Navigation; Containing All the Tables Necessary to be Used with the Nautical Almanac in Determining the Latitude, and the Longitude by Lunar Observations, and Keeping a Complete Reckoning at Sea ... The Whole Exemplified in a Journal, Kept from Boston to Madeira, in which All the Rules of Navigation are Introduced ... With an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars ...
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added altitude anchor angle apparent applied bearing calculated called central centre chronometer circle column compass correction corresponding Cosecant Cosine course declination departure Diff difference of latitude difference of longitude direction Dist distance divided draw equal equator error EXAMPLE extent feet figure fixed given gives glass Greenwich half horizon less limb logarithm longitude lower manner marked mean measured meridian method middle latitude miles minutes moon moon's Nautical Almanac nearly noon object observation obtained opposite parallax parallel passing perpendicular plane points proportional radius right ascension rule sails Secant ship ship's side sine star subtract sun's Suppose Table taken tangent telescope third triangle true turn variation wind