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; Illustrated by Proper Rules and Examples ... Dictionary of Sea Terms; and the Manner of Performing the Most Useful Evolutions at Sea: : with an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars ...
E. & G. W. Blunt, proprietors ... Stereotyped at the Boston Type and Stereotype Foundry, 1844 - Nautical astronomy - 452 pages
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added altitude anchor angle apparent applied base bearing calculation called central centre chronometer circle column compass contains correction corresponding cosine course declination departure Diff difference of latitude difference of longitude direction Dist distance divided draw east equal equator error EXAMPLE extent feet figure fixed given gives glass greater Greenwich half Hence horizon less limb logarithm lower manner marked mean measured meridian method middle latitude miles minutes moon moon's multiplied Nautical Almanac nearly noon object observation obtained opposite parallax parallel passing perpendicular plane points radius refraction right ascension round rule sails scale secant ship ship's side sine star subtracted sun's Suppose Table taken tangent telescope transit triangle true turn variation wind wires zenith