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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102 ページ
... bearings were noted and charted just as they were observed ; that is to say they were all bearings from magnetic north . And no trouble occurred until the Great Age of Discovery , with its new mode of sailing by latitude . Sailing ...
... bearings were noted and charted just as they were observed ; that is to say they were all bearings from magnetic north . And no trouble occurred until the Great Age of Discovery , with its new mode of sailing by latitude . Sailing ...
132 ページ
... Bearings are given in terms of a thirty - two - point wind - rose , and usually , although not always , the back and ahead names of the bearings are given . For example , the description of the crossing between south - east Ireland and ...
... Bearings are given in terms of a thirty - two - point wind - rose , and usually , although not always , the back and ahead names of the bearings are given . For example , the description of the crossing between south - east Ireland and ...
135 ページ
... bearings and miles termed Peleio in the Compasso have their counterparts in the English rutter , although they are bearings only , taken from key - points , and there is no mention of distances . From Cape Finisterre , for example ...
... bearings and miles termed Peleio in the Compasso have their counterparts in the English rutter , although they are bearings only , taken from key - points , and there is no mention of distances . From Cape Finisterre , for example ...
目次
SIGNS IN THE | 5 |
THE SURFACE AND FLOOR OF THE | 21 |
THE IRISH and the NORSEMEN | 65 |
著作権 | |
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actually altitude altura angle Arab astrolabe astronomers azimuth bearings called Cape captain century chart-makers chih Chinese chronometer circle clock coast correct course course sailed cross-staff degree diagram difference distance drawn east east-west eight English Ephemerides equator equinoctial error example fact fathoms French Gemma Frisius Hariot horizon India instrument instrument-maker island Jean Rotz John John Dee king land later latitude leagues lodestone magnetic compass magnetic needle manual mariners Marteloio master mathematical measure Mediterranean Mediterranean Sea meridian method miles minutes Moon nautical navigation night north-east Nuñez observations Ocean pilots plain chart Plate Pole Star port Portuguese position quadrant quarter reckoning rhumb rhumb lines right ascension Rotz rule rutter sailing directions sailors scale seaman ship ship's sight south-east south-west Sun's Thomas Hariot tide tion triangle variation voyage William Borough wind wind-rose writing