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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... 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 ...
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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