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 |
この書籍内から
検索結果1-3 / 49
173 ページ
... meridian , they cut a mark across its box to show where it should be when the dial was correctly set . The oldest surviving example of these ' travellers ' companions ' as they were called carries the date 1451 , but they must have been ...
... meridian , they cut a mark across its box to show where it should be when the dial was correctly set . The oldest surviving example of these ' travellers ' companions ' as they were called carries the date 1451 , but they must have been ...
189 ページ
... meridian , and at Dieppe they will be in conjunction 8 hours and 2 minutes after midnight . So that I say that the conjunction will be 10 hours and 2 minutes earlier at my meridian than at Dieppe . Reducing this to degrees by ...
... meridian , and at Dieppe they will be in conjunction 8 hours and 2 minutes after midnight . So that I say that the conjunction will be 10 hours and 2 minutes earlier at my meridian than at Dieppe . Reducing this to degrees by ...
218 ページ
... meridian at right angles , and yet the east - west rhumb ( which by definition also cuts the north- south meridian at right angles ) is said to be a small circle . He is unable to grasp , too , the idea of a negligible error , and ...
... meridian at right angles , and yet the east - west rhumb ( which by definition also cuts the north- south meridian at right angles ) is said to be a small circle . He is unable to grasp , too , the idea of a negligible error , and ...
他の版 - すべて表示
多く使われている語句
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