Admiralty manual of navigation
v.1. Practical guide for seaman officers covering syllabus for examination in Navigation and Pilotage.--v.2. Textbook of nautical astronomy and off-shore navigation.--v.3. Based on the navigation syllabus for officers qualifying in Navigation .--v.4. Data on navigational equipment. It is not available for public use.
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The Rhumbline Formulae Shortdistance sailing
The Great Circle
The Mercator ChartScale on the Mercator chart
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altocumulus aneroid anticyclone approximately Atlantic azimuth barometer broadcasts celestial horizon celestial sphere centre Chapter circle cirrus cloud coast cold front correction course cumulus d.lat d.long declination depression difference direction distance Earth east echoes equator example forecast G. A. Clarke gale geostrophic wind great-circle Greenwich hour angle heavenly body height HM ships horizon humidity increase index error interpolation isobars knots land latitude layer LHA Aries longitude Mean Sun Mercator chart meridian passage meteorological miles minutes Monsoon Moon Nautical Almanac navigator North northern hemisphere observer observer's meridian obtained Ocean Pacific parallel Photo by G. A. planets plotting Point of Aries pole position line rain rhumb line scale sextant sextant altitude ship's sidereal hour angle sights South Equatorial Current speed star storm Sun's surface tabulated altitude temperature Trade winds triangle tropical usually vertical visible warm front warnings waves weather Zone