 | Jeremiah Day - Measurement - 1815 - 388 pages
...different courses for a short time, the difference of latitude, at the end of that time, is equal to the difference between the sum of the northings and the sum of the southings, and the departure is nearly equal to the difference between the sum of the eastings and the sum of... | |
 | Jeremiah Day - Geometry - 1824 - 440 pages
...the sides of a field except one be given, the remaining side may be easily found by calculation. For the difference between the sum of the northings and the sum of the southings of the given sides, is evidently equal to the northing or southing of the remaining side ; and the... | |
 | Jeremiah Day - Measurement - 1831 - 520 pages
...different courses for a short time, the difference of latitude, at the end of that time, is equal to the difference between the sum of the northings and the sum of the southings, and the departure is nearly equal to the difference between the sum of the eastings and the sum of... | |
 | Jeremiah Day - Logarithms - 1831 - 418 pages
...the sides of a field except one be given, the remaining side may be easily found by calculation. For the difference between the sum of the northings and the sum of the southings of the given sides, is evidently equal to the northing or southing of the remaining side ; and the... | |
 | Charles Davies - Navigation - 1837 - 342 pages
...As, of a convenient length in the direction towards C, and take the bearing with the compass. At 2, take the bearing of a second course, and measure the...to 4. At 4, take the bearing to C, and measure the distancefrom 4 to C. Then, the difference between the sum of the northings and the sum of the southings... | |
 | Jeremiah Day - Geometry - 1838 - 416 pages
...different courses for a short time, the difference of latitude, at the end of that time, is equal to the difference between the sum of the northings and the sum of the southings, and the departure is nearly equal to the difference between the sum of the eastings and tile sum of... | |
 | Charles Davies - Surveying - 1839 - 376 pages
...A%, of a convenient length in the direction towards C, and take the bearing with the compass. At 9, take the bearing of a second course, and measure the distance to 3. At S, take a third bearing and measure to 4. At 4, take the bearing to C, and measure the distance from... | |
 | Jeremiah Day - Geometry - 1839 - 434 pages
...the sides of a field except one be given, the remaining side may be easily found by calculation. For the difference between the sum of the northings and the sum of the southings of the given sides, is evidently equal to the northing or southing of the remaining side ; and the... | |
 | Jeremiah Day - Geometry - 1851 - 418 pages
...the sides of a field except one be given, the remaining side may be easily found by calculation. For the difference between the sum of the northings and the sum of the southings of the given sides, is evidently equal to the northing or southing of the remaining side ; and the... | |
 | Elias Loomis - Trigonometry - 1855 - 192 pages
...earth may be neglected. When a ship sails on different courses, the difference of latitude is equal to the difference between the sum of the northings and the sum of the southings; and, neglecting the earth's curvature, the departure is equal to the difference between the sum of... | |
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Then, the difference between the sum of the northings and the sum of the southings will be... 
