 | Mungo Murray - Electronic books - 1754 - 490 pages
...plain failing; or without the departure, the courfe may be found by this proportion, as the meridional difference of latitude is to the difference of longitude, fo is the radius to the tangent of the courfe. The extent from 1427 to 728, or from 1063 to 542.3 ; if taken... | |
 | James Atkinson - Navigation - 1765 - 504 pages
...Bearing. The Angle AED, the Complement of the Courfe, I. To find the Courfe ; or Bearing, the Proportion is; As the Difference of Latitude, is to the Difference...: : S. c. Mid. Lat. •• T. Courfe. As 2219 min. •• 321601111. : : S. 58d. 3301. •• T. 5id. cam. By Gunter. The Extent from 2219 Minutes to... | |
 | Andrew Wakely - Compass - 1780 - 350 pages
.... tude being given, to find their Diflanu in that Parallel. 'T» HE Proportion is thus ; as Radius is to the Difference •*• of Longitude, fo is the Sine Complement of the Latitude to the Diftance in that Parallel. Example v. Suppofe Cape St. Vincent in Portugal and Cape... | |
 | John Hamilton Moore - Nautical astronomy - 1807 - 586 pages
...departure, fo is the meridional difference of latitude to the difference of longitude; and As the meridional difference of latitude is to the difference of longitude, fo is the proper difference of latitude to the departure. Since by lençthening or fhortening the fides of a... | |
 | John Hamilton Moore - Nautical astronomy - 1807 - 676 pages
...fo-is the meridional difference of latitude to the difference of longitude ; and As the meridional difference of latitude is to the difference of longitude, fo is the proper difference of latitude to the departure. Since by lengthening or ihortening the fides of a triangle... | |
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Difference of Latitude, is to the Difference of Longitude ; fo is the Sine Complement of the Middle Latitude, to the Tangent of the Courfe, or more briefly thus : As Diff. 