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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... Course Sailed B1 B2 Ba CA C1 True Course Fig . 13. Ramon Lull's explanation of the course sailed and the course made good . The ' instrument ' ( instrumentum ) can be none other than the table , without which his answer is meaningless ...
... Course Sailed B1 B2 Ba CA C1 True Course Fig . 13. Ramon Lull's explanation of the course sailed and the course made good . The ' instrument ' ( instrumentum ) can be none other than the table , without which his answer is meaningless ...
119 ページ
... course into its northing and easting as in later practice , since medieval sailing had no relation to latitude and longitude . The sole necessary datum was the number of quarter - winds ( i.e. the angle ) between the true course and the ...
... course into its northing and easting as in later practice , since medieval sailing had no relation to latitude and longitude . The sole necessary datum was the number of quarter - winds ( i.e. the angle ) between the true course and the ...
133 ページ
... course is west - south - west and east - north - east . And take your sight on the mainland of Wales , Rhyddlan , and the Red Bank in Chester Water , north and south . ' ( The course should actually have been west - north - west and ...
... course is west - south - west and east - north - east . And take your sight on the mainland of Wales , Rhyddlan , and the Red Bank in Chester Water , north and south . ' ( The course should actually have been west - north - west and ...
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