Description and Use of a Diagram of Navigation: By which All Problems in Plane, Traverse, Parallel, Middle Latitude and Mercator's Sailing May be Instantly and Accurately Resolved. Adapted to the Capacity of All who Know the Use of Figures. Designed as an Easy Introduction, by Sensible Demonstration, to the Principles, and the Practice of Navigation. With a Diagram EngravedFellowes & Simpson, 1822 - 4 σελίδες |
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Σελίδα 26
... difference of latitude is in the same ratio to the dif- ference of longitude , that the proper difference of lati- tude is to the departure . 95. To find the meridional parts by the diagram , the index must be set to the given latitude ...
... difference of latitude is in the same ratio to the dif- ference of longitude , that the proper difference of lati- tude is to the departure . 95. To find the meridional parts by the diagram , the index must be set to the given latitude ...
Σελίδα 27
... Distance , Departure , Proper difference of Latitude , Meridional difference of Latitude , and Differ- ence of Longitude . CASE 1 . 98. Given the LATITUDES and the LONGITUDES of two pla- ces , to find the DIRECT COURSE and DISTANCE ...
... Distance , Departure , Proper difference of Latitude , Meridional difference of Latitude , and Differ- ence of Longitude . CASE 1 . 98. Given the LATITUDES and the LONGITUDES of two pla- ces , to find the DIRECT COURSE and DISTANCE ...
Σελίδα 28
... DIStance , and diff . of Lon . Rule . Set the index to meet the proper difference of latitude with the departure , it will give the course and distance ; then the index remaining on the course , the meridional difference of latitude ...
... DIStance , and diff . of Lon . Rule . Set the index to meet the proper difference of latitude with the departure , it will give the course and distance ; then the index remaining on the course , the meridional difference of latitude ...
Σελίδα 31
... difference of latitude , by which the proper difference of latitude may be known , and which with the course will give the distance . Example - A ship in lat . 42 deg . N. sails N. 38 deg . E. and her diff of longitude is 125 miles ...
... difference of latitude , by which the proper difference of latitude may be known , and which with the course will give the distance . Example - A ship in lat . 42 deg . N. sails N. 38 deg . E. and her diff of longitude is 125 miles ...
Σελίδα 59
... difference of lat . and a contiguous angle be equal to the course , the side opposite this angle will be equal to ... proper difference of latitude is to the departure , so is the meridional difference of latitude to the difference of ...
... difference of lat . and a contiguous angle be equal to the course , the side opposite this angle will be equal to ... proper difference of latitude is to the departure , so is the meridional difference of latitude to the difference of ...
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arc of latitude arc or angle chord circle circumference co-sine co-tangent contiguous angle course 3 points course 3 pts course 38 deg COURSE and DEPARTURE Course and Diff course and distance course sailed curve line departure 84 Diagram of Navigation difference of lati difference of latitude difference of longitude direct course dist DISTANCE and DEPARTURE distance sailed ence of longitude Example Example.-A ship sails find the COURSE find the DISTANCE give the course give the diff give the distance Given both LATITUDES Given-one LATITUDE index remaining index set index to meet meet the difference Mercator's sailing merid meridian distance meridional difference middle lat parallel sailing plane sailing proper diff radius be equal required the course right line drawn right-angled plane triangle Rule Rule.-Set the index secant Set the index ship in lat side as radius side marked equator tance tangent traverse table tude