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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132 ページ
... fathoms or 70 , small dial sand [ that is to say the sort of fine sand used in an hour - glass ] . Upon off Penmarche there is in 50 fathoms black ooze . Upon the same in 60 fathoms there is sandy ooze and black fishey stones among ...
... fathoms or 70 , small dial sand [ that is to say the sort of fine sand used in an hour - glass ] . Upon off Penmarche there is in 50 fathoms black ooze . Upon the same in 60 fathoms there is sandy ooze and black fishey stones among ...
133 ページ
... fathoms . And that shall bring you 11 fathoms then go your course in to Thames with the Green Bank west - south - west . There are intricate directions for passing the Straits of Dover including the following : ' If ye be bound to ...
... fathoms . And that shall bring you 11 fathoms then go your course in to Thames with the Green Bank west - south - west . There are intricate directions for passing the Straits of Dover including the following : ' If ye be bound to ...
202 ページ
... fathoms or 3000 fathoms in an hour . An English league is 2500 fathoms , so the ship goes 14 leagues an hour . The log should be thrown out every time a change of wind alters the ship's speed , and Bourne explains how to keep the ...
... fathoms or 3000 fathoms in an hour . An English league is 2500 fathoms , so the ship goes 14 leagues an hour . The log should be thrown out every time a change of wind alters the ship's speed , and Bourne explains how to keep the ...
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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