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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... star we call the Pole Star - was in Homer's day more than 12 ° away from the pole , and did not attract any particular notice . The nearest bright star to the celestial pole at that period was the one now called Kochab , one of the so ...
... star we call the Pole Star - was in Homer's day more than 12 ° away from the pole , and did not attract any particular notice . The nearest bright star to the celestial pole at that period was the one now called Kochab , one of the so ...
44 ページ
... Pole in the following passage : " There is a star which remains always motionless . This star is the Pole of the world . " In fact there is no star at the pole , but an empty space , close to which are three stars which taken together ...
... Pole in the following passage : " There is a star which remains always motionless . This star is the Pole of the world . " In fact there is no star at the pole , but an empty space , close to which are three stars which taken together ...
306 ページ
... Pole Star ' , 100 ; St. Jerome on , 100 ; in Lull's Arbor Scientiae , 118 Stella Nautica , ' Pole Star ' , 101 " Tramontane ' ( axis - star ) , 95 Two Brothers ( Guards ) , 130 Virgo , 154 zenith star , Arcturus in Homeric times , 41 ...
... Pole Star ' , 100 ; St. Jerome on , 100 ; in Lull's Arbor Scientiae , 118 Stella Nautica , ' Pole Star ' , 101 " Tramontane ' ( axis - star ) , 95 Two Brothers ( Guards ) , 130 Virgo , 154 zenith star , Arcturus in Homeric times , 41 ...
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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