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 |
Αναζήτηση στο βιβλίο
Αποτελέσματα 1 - 5 από τα 8.
Σελίδα 11
... represents a quarter section of the HORIZON , one side the MERIDIAN , and the other the EQUATOR . 21. Either side may be assumed as meridian ; but in practice it will be found most convenient to use one side constantly as meridian , and ...
... represents a quarter section of the HORIZON , one side the MERIDIAN , and the other the EQUATOR . 21. Either side may be assumed as meridian ; but in practice it will be found most convenient to use one side constantly as meridian , and ...
Σελίδα 15
... represents the hypothenuse or longest side , the difference of latitude and the departure the two sides which comprise the right - angle . 62. And , as an angle in a semi - circle is a right - angle , so will the two sides made by the ...
... represents the hypothenuse or longest side , the difference of latitude and the departure the two sides which comprise the right - angle . 62. And , as an angle in a semi - circle is a right - angle , so will the two sides made by the ...
Σελίδα 25
... length , and in breadth equal to the earth's circumference at the equator . 91. This projection was invented in 1566 by Gerard Mercator ; its object is to represent on a plane the 4 true bearing or course from one place to another as 25.
... length , and in breadth equal to the earth's circumference at the equator . 91. This projection was invented in 1566 by Gerard Mercator ; its object is to represent on a plane the 4 true bearing or course from one place to another as 25.
Σελίδα 26
... represented by straight parallel lines ; by which the degrees of longitude in high latitudes are artificially ... represent the true course between two places , the degrees of latitude are also artificially expanded , and in the ratio of ...
... represented by straight parallel lines ; by which the degrees of longitude in high latitudes are artificially ... represent the true course between two places , the degrees of latitude are also artificially expanded , and in the ratio of ...
Σελίδα 39
... represented by a 137. EXTENSION in length and breadth is represent- ed by a surface . 138. EXTENSION in length , breadth and depth is rep resented by a solid , commonly called a body . " ! 139. There cannot properly be any extension ...
... represented by a 137. EXTENSION in length and breadth is represent- ed by a surface . 138. EXTENSION in length , breadth and depth is rep resented by a solid , commonly called a body . " ! 139. There cannot properly be any extension ...
Άλλες εκδόσεις - Προβολή όλων
Συχνά εμφανιζόμενοι όροι και φράσεις
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