United States Naval Institute Proceedings, Томови 3-4U.S. Naval Institute, 1877 |
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Страница 57
... latitude and longitude , with the certainty of there meeting our fellow naviga- tors , are apt to forget under what difficulties our predecessors labored less than three centuries ago . It is my design to call the attention of the ...
... latitude and longitude , with the certainty of there meeting our fellow naviga- tors , are apt to forget under what difficulties our predecessors labored less than three centuries ago . It is my design to call the attention of the ...
Страница 58
... latitudes and longitudes are given : this was of course simply the solution of a spherical triangle , but it was done in rather a roundabout manner . These tables were constructed by MONTE REGIO , and are credited to him by our author ...
... latitudes and longitudes are given : this was of course simply the solution of a spherical triangle , but it was done in rather a roundabout manner . These tables were constructed by MONTE REGIO , and are credited to him by our author ...
Страница 62
... Latitude are defined as follows ; " The longitude of the earth in general is that space or upper face of the earth , which extendeth from West to East and again from East to West ; and the Latitude in general is that space which ...
... Latitude are defined as follows ; " The longitude of the earth in general is that space or upper face of the earth , which extendeth from West to East and again from East to West ; and the Latitude in general is that space which ...
Страница 63
... latitude and difference of longitude : the latter being converted into departure by means of tables which give the length of a degree in every parallel of Latitude ; and this depart- ure used in the solution of the problem is reckoned ...
... latitude and difference of longitude : the latter being converted into departure by means of tables which give the length of a degree in every parallel of Latitude ; and this depart- ure used in the solution of the problem is reckoned ...
Страница 64
... latitude , but the fact that these parallels were expanded in the ratio of the secant of the latitude , is entirely lost sight of , although Mer- cator's chart had then been before the world for a quarter of a century . In another place ...
... latitude , but the fact that these parallels were expanded in the ratio of the secant of the latitude , is entirely lost sight of , although Mer- cator's chart had then been before the world for a quarter of a century . In another place ...
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