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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215 ページ
... error of 2 ° 5 ' in calculating the longitude . And with sailors ' instruments it was hard to read even to half a ... Errors of Naviga- tion , and both confirmed them for themselves on the single voyages they made - Hariot to Virginia in ...
... error of 2 ° 5 ' in calculating the longitude . And with sailors ' instruments it was hard to read even to half a ... Errors of Naviga- tion , and both confirmed them for themselves on the single voyages they made - Hariot to Virginia in ...
250 ページ
... error of 5 ' in reading the Moon meant an error of 21 ° in the longitude . And such an error might arise from the imper- fection of the tables for the standard meridian with which the local observation was compared ; from the ...
... error of 5 ' in reading the Moon meant an error of 21 ° in the longitude . And such an error might arise from the imper- fection of the tables for the standard meridian with which the local observation was compared ; from the ...
288 ページ
... errors in , 185 ; errors in Luke Ward's account of voyage in 1582-83 and in Earl of Cumberland's fleet in 1597 , 216-17 ; French skill in , 234 ; leeway as cause of error , 165 , 185 , 187 , 238 ; error corrected by Harrison's ...
... errors in , 185 ; errors in Luke Ward's account of voyage in 1582-83 and in Earl of Cumberland's fleet in 1597 , 216-17 ; French skill in , 234 ; leeway as cause of error , 165 , 185 , 187 , 238 ; error corrected by Harrison's ...
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