The Haven-finding Art: A History of Navigation from Odysseus to Captain CookHollis and Carter for the Institute of Navigation, 1971 - 310 ページ |
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... east , west , south and north , and the other four winds which derive from the first , namely north - east , south - east , south - west and north - west . And they consider the centre of the circle at which the winds make angles . And ...
... east , west , south and north , and the other four winds which derive from the first , namely north - east , south - east , south - west and north - west . And they consider the centre of the circle at which the winds make angles . And ...
133 ページ
... west - south - west and east - north - east . And take your sight on the mainland of Wales , Rhyddlan , and the Red Bank in Chester Water , north and south . ' ( The course should actually have been west - north - west and east - south ...
... west - south - west and east - north - east . And take your sight on the mainland of Wales , Rhyddlan , and the Red Bank in Chester Water , north and south . ' ( The course should actually have been west - north - west and east - south ...
173 ページ
... east and west by an equal amount for an equal distance . Here then , it was argued , was a means of checking distance east - west , or , as we should say today , finding the longitude . And without any attempt to check the Portuguese ...
... east and west by an equal amount for an equal distance . Here then , it was argued , was a means of checking distance east - west , or , as we should say today , finding the longitude . And without any attempt to check the Portuguese ...
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actually altitude angle appears Arab astrolabe astronomers azimuth bearings called Cape century chart-makers chih Chinese circle clock coast correct course course sailed cross-staff degree Dicuil difference distance drawn east east-west eight English equator error example fact fathoms French Gemma Frisius Greek Greenland Gulf harbour Hariot horizon Hvitserk Iceland India instrument instrument-maker island Jean Rotz John Dee king land later latitude leagues lodestone longitude magnetic compass magnetic needle mariners master mathematical measure Mediterranean Mediterranean Sea meridian method miles minutes monsoon Moon nautical navigation night north-east north-west Nuñez observations ocean Odysseus pilots Plate Pole Star port Portuguese position Pytheas quadrant quarter reckoning rhumb rhumb lines rock round rutter sailing directions sailors scale seaman ship ship's shore sight south-east south-west Strabo tide tion turned variation voyage William Borough wind wind-rose writing