Glossary of NavigationHarbord's Glossary of Navigation was for more than 100 years the leading handbook for the navigation on the seas. Original edition of 1862, this is a reprint of the second edition 1874. |
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Common terms and phrases
altitude angle apparent applied astronomical axis azimuth bearing body called cause celestial concave centre chart circle co-ordinates compass constellation correction corresponding course declination described determined deviation direction distance distinguished diurnal Earth east ecliptic effect equal equator equinoctial error finding fixed force give given heavenly body heavens hemisphere hence horizon hour important indicates interval known latitude length less light logarithm longitude magnetic marked mean measured meridian method miles Moon motion move Nautical navigation needle object observed obtained opposite parallax parallel passing plane polar pole position practical principle projection reckoned reference reflected refraction result rise sailing scale ship ship's side solar sometimes sphere star surface tables taken taking term terrestrial tides triangle true varies vertical wind zenith