The Haven-finding Art: A History of Navigation from Odysseus to Captain CookHollis & Carter, 1971 - 310 ページ |
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... round and round , like a wheel about its axle , and so serve to define the stillpoint , the pommel or pole of the sky . For the Greeks the word for Bear - Arctos - was also the word for north , while the Latins called the north ...
... round and round , like a wheel about its axle , and so serve to define the stillpoint , the pommel or pole of the sky . For the Greeks the word for Bear - Arctos - was also the word for north , while the Latins called the north ...
22 ページ
... round about Britain occasioned great surprise to visitors from the Greek world . The first to come so far north was the Massilian astronomer Pytheas ( c . 300 B.C. ) , whose writings are unfortunately lost , but according to Strabo ...
... round about Britain occasioned great surprise to visitors from the Greek world . The first to come so far north was the Massilian astronomer Pytheas ( c . 300 B.C. ) , whose writings are unfortunately lost , but according to Strabo ...
95 ページ
... round until the point of the needle looks north - east [ sic for north ] . And so the sailors know which way to steer when the Cynosura is hidden by clouds . ' The pivoted needle was thus perhaps already known , and appears to have been ...
... round until the point of the needle looks north - east [ sic for north ] . And so the sailors know which way to steer when the Cynosura is hidden by clouds . ' The pivoted needle was thus perhaps already known , and appears to have been ...
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