| John Hamilton Moore - 1810 - 662 pages
...LO, as MT is to ТЫ; and tke Wherefore, as the proper difference of latitude is to the departure, so is the meridional difference of latitude to the difference of longitude; and As the meridional difference of latitude is to the difference of longitude, so is the proper difference... | |
| Jeremiah Day - 1815 - 388 pages
...In the triangle ALD, if AL be made radius, Rad : Tan A :: AL : DL ; that is, THEOREM H. , As radius, To the tangent of the course ; So is the meridional...difference of latitude, To the difference of longitude. By this theorem, the difference of longitude may be calculated, without previously fmding the departure.... | |
| 1821 - 708 pages
...distance sailed to the difference of longitude. By Case II. of Plane Sailing, we have this analogy ; as radius is to the tangent of the course, so is the difference of latitude to the departure ; by combining this with Theorem II. we have THEOREM IV. Jit... | |
| George Watson - 1822 - 72 pages
...the dep. column 115 for diff. long. 235. As the proper difference of latitude is to the departure, so is the meridional difference of latitude to the difference of longitude. Example.—Given the proper diff. lat. 160, the dep. N 125 and the mer. diff. lat. 320; what is the... | |
| Jeremiah Day - 1824 - 440 pages
...THE DIFFERENCE OF LONGITUDE. 72. In the triangle ALD, if AL be made radius. THEOREM II. As RADIUS, To THE TANGENT OF THE COURSE ; So IS THE MERIDIONAL...DIFFERENCE OF LATITUDE, To THE DIFFERENCE OF LONGITUDE. By this theotem, the difference of longitude may be calculate, without previously finding the departure.... | |
| Jeremiah Day - 1831 - 394 pages
...the triangle ALD, if AL be made radius, Rad. : Tan. A : : AL : DL ; that is, THEOREM II. As RADIUS, To THE TANGENT OF THE COURSE ; So IS THE MERIDIONAL...DIFFERENCE OF LATITUDE, To THE DIFFERENCE OF LONGITUDE. By this theorem, the difference of longitude may be calculated, without previously rinding the departure.... | |
| Jeremiah Day - 1831 - 418 pages
...THE DIFFERENCE OF LONGITUDE. 72. In the triangle ALD, if AL be made radius, THEOREM II. As RADIUS, To THE TANGENT OF THE COURSE ; So IS THE MERIDIONAL...DIFFERENCE OF LATITUDE, To THE DIFFERENCE OF LONGITUDE. By this theorem, the difference of longitude may be calculated, without previously finding the departure.... | |
| Charles William Hackley - 1838 - 328 pages
...1' is a geographical mile. Having thus formed a table of meridional parts, (Table VII. at the end,) if we enter it with the latitudes sailed from, and...2. As the proper difference of latitude is to the deparlure, so -is the meridional difference of latitude to the tangent of the course. Other proportions... | |
| Jeremiah Day - 1838 - 416 pages
...radius, Rad. : Tan. A : : AL : DL ; that is, THEOREM II. As RADIUS, To THE TANGENT OF THE COURSE J So IS THE MERIDIONAL DIFFERENCE OF LATITUDE, To THE DIFFERENCE OF LONGITUDE. By this theorem, the difference of longitude may be calculated, without previously finding the departure.... | |
| Jeremiah Day - 1839 - 434 pages
...radius, Rad. : Tan. A : : AL : DL ; that is, THEOREM II. As RADIUS, To THE TANGENT OF THE COURSE J So IS THE MERIDIONAL DIFFERENCE OF LATITUDE, To THE DIFFERENCE OF LONGITUDE. By this theorem, the difference of longitude may be calculated, without previously finding the departure.... | |
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