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 Y Lunar Observations, and Keeping a Complete Reckoning at Sea ... the Whole Exemplified in a Journal, Kept from Boston to Madeira ... with an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed StarsE. & G. W. Blunt, 1859 |
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The New American Practical Navigator: Being an Epitome of Navigation ... Nathaniel Bowditch Uten tilgangsbegrensning - 1854 |
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anchor apparent altitude azimuth cable calculation Cape central index centre chronometer circle column compass Corr correct altitude correct central altitude corresponding Cosec cosine degrees diameter Diff difference of latitude difference of longitude Dist draw east elapsed equal equator error EXAMPLE feet Funchal given Greenwich Half-sum horizon glass horizontal parallax hour angle hypotenuse instrument latitude and departure line of numbers logarithm mean meridian altitude meridional difference method middle latitude miles minutes moon moon's multiplied Nautical Almanac nearly noon object observed altitude obtained parallel Parallel Sailing passing the meridian perpendicular Plane Sailing points polar distance pole quadrant radius 90 refraction right ascension rule screw sea account secant semidiameter sextant ship ship's side sine star subtracted sun's declination Suppose taken tangent telescope traverse table triangle true altitude true distance true longitude variation wind wires zenith distance