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 4
... 175 miles difference of lati- tude and 135 miles departure - the Diagram , from a * The Hon . John Davis , LL , D. Judge of the U. S. District Court , in Massachusetts . PREFACE . simple operation , gives the course 370 and.
... 175 miles difference of lati- tude and 135 miles departure - the Diagram , from a * The Hon . John Davis , LL , D. Judge of the U. S. District Court , in Massachusetts . PREFACE . simple operation , gives the course 370 and.
Σελίδα 6
... departure 16 2 , to find the distance and departure 3 , to find the distance and difference of lat . 4 , to find the course and departure 5 , to find the course and difference of lat . 6 , to find the course and distance 66 17 66 18 66 ...
... departure 16 2 , to find the distance and departure 3 , to find the distance and difference of lat . 4 , to find the course and departure 5 , to find the course and difference of lat . 6 , to find the course and distance 66 17 66 18 66 ...
Σελίδα 7
... departure 66 66 to find the distance and difference of lat . 66 to find the course and departure 66 49 50 66 51 52 53 1 CONTENTS . to find the course and difference of.
... departure 66 66 to find the distance and difference of lat . 66 to find the course and departure 66 49 50 66 51 52 53 1 CONTENTS . to find the course and difference of.
Σελίδα 8
... departure 66 66 to find the difference of longitude to find the course , ( see the rule in the table , the theorem being accidently omitted ) In Mercator's sailing - to find the course 54 60 55 56 66 57 66 61 58 66 to find the ...
... departure 66 66 to find the difference of longitude to find the course , ( see the rule in the table , the theorem being accidently omitted ) In Mercator's sailing - to find the course 54 60 55 56 66 57 66 61 58 66 to find the ...
Σελίδα 12
... departure being the sine of the course , is always parallel to the equator . If on any course the distance terminates at the equa- tor , the departure is a section of the equator . If the distance ter- minates at a parallel of latitude ...
... departure being the sine of the course , is always parallel to the equator . If on any course the distance terminates at the equa- tor , the departure is a section of the equator . If the distance ter- minates at a parallel of latitude ...
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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