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 ... With an Appendix, Containing Methods of Calculating Eclipses of the Sun and Moon, and Occultations of the Fixed Stars |
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Common terms and phrases
anchor angular distance apparent altitude azimuth bearing calculation centre chronometer circle co-sec co-sine column compass corresponding course sailed degrees diameter Diff difference of latitude difference of longitude Dist divided draw elapsed equal equator error EXAMPLE feet Funchal given gives Greenwich half sum horizon glass hour angle hypotenuse latitude and departure line of numbers line of sines logarithm marked mean measured meridian altitude method middle latitude miles minutes moon moon's multiplied Nautical Almanac nearly noon object observed altitude obtained parallax parallel passing the meridian perpendicular Plane Sailing points quadrant radius 90 refraction right ascension rule sea account secant semi-diameter sextant ship ship's side sine star subtracted sun's declination Suppose taken tance tangent telescope TRAVERSE TABLE triangle true altitude true distance tude variation watch wind zenith distance