The Haven-finding Art: A History of Navigation from Odysseus to Captain CookHollis & Carter, 1971 - 310 ページ |
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133 ページ
... [ north of Angelsey ] till ye come anent the Castle of Rhyddlan . Your course is 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 ...
... [ north of Angelsey ] till ye come anent the Castle of Rhyddlan . Your course is 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 ...
134 ページ
... north - east ' would have high tide when the Moon was west - east . Thus the seaman had to carry in his memory the age of the Moon , unless he could understand and afford to buy a calendar , which explains why Chaucer's shipman had to ...
... north - east ' would have high tide when the Moon was west - east . Thus the seaman had to carry in his memory the age of the Moon , unless he could understand and afford to buy a calendar , which explains why Chaucer's shipman had to ...
135 ページ
... east Moon the current of water flows past Faro [ on the mainland ] towards the south . When the Moon is south the current turns to the north , and when the Moon is west the water turns and runs south for six hours . Every six hours the ...
... east Moon the current of water flows past Faro [ on the mainland ] towards the south . When the Moon is south the current turns to the north , and when the Moon is west the water turns and runs south for six hours . Every six hours the ...
目次
SIGNS IN THE | 3 |
THE SURFACE AND FLOOR OF THE | 21 |
NAVIGATION WITHOUT MAGNETIC | 33 |
著作権 | |
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actually altitude altura angle appears Arab astrolabe astronomers azimuth bearings called Cape captain century chart-makers chih Chinese circle clock coast correct course Course Sailed cross-staff degree difference distance drawn east east-west eight English equator error example fact fathoms French Gemma Frisius Greek harbour Hariot horizon Iceland India instrument instrument-maker island Italian Jean Rotz John Dee king knew land later latitude leagues lodestone longitude magnetic compass magnetic needle manual mariners Marteloio master mathematical measure Mediterranean Mediterranean Sea meridian method miles minutes Moon nautical navigation night north-east north-west Nuñez observations ocean Odysseus pilots plain chart Plate Pole Star port Portuguese position Pytheas quadrant quarter reckoning rhumb rhumb lines round rutter sailing directions sailors scale seaman ship ship's sight south-east south-west Strabo tide tion turned variation voyage William Borough wind wind-rose writing