 | Charles Davies - 1841 - 414 halaman
...middle latitude is to be found in the first column to the left. Then, along in the horizontal line, and under the given difference of latitude, is inserted...meridian distance is accurately equal to the departure. Thus, if the middle latitude be 37°, and the difference of latitude 18°, the correction will be found... | |
 | Charles Davies - 1835 - 388 halaman
...imperfections of the middle lat16 ~ i.EXGNTS Or SURTBT1N6. .:..'.i -' .' .: PR1NC1PLES OF NAV16AT1ON. 183 the proper correction to be added to the middle latitude...meridian distance is accurately equal to the departure. Thus, if the middle latitude be 37°, and the difference of latitude 18°, the correction will be found... | |
 | John Radford Young - 1848 - 412 halaman
...accurate, a correction becomes necessary. This correction is furnished by the present table ; the given middle latitude is to be found in the first column...proper diff. of lat. D = meridional diff. of lat. 7/1 = middle latitude. M = m -f correction. L = diff. of longitude. Then, (Trig. p. 75), tan. course... | |
 | Charles William Hackley - 1851 - 524 halaman
...Mr. Workman's table, is added, these theorems will be rendered strictly accurate. This is Table XXIX; the middle latitude is to be found in the first column...correction. L =: diff. of longitude. Then (Art. 100, Form III.), cos MXL tan course = — d « But (Art. 101, Rule Ij, rad X t tan course = i> cos MXL rad X... | |
 | Charles William Hackley - 1851 - 536 halaman
...line with which, and under the given difference of latitude, is inserted the proper correction to bo added to the middle latitude to obtain the latitude...correction. L = diff. of longitude. Then (Art. 100, Form III.), cos MXL tan course = d But (Art. 101, Rule 1J, rad X tan course = D cos MX t. rad XL rad d .'.... | |
 | Charles Davies - 1854 - 446 halaman
...the middle latitude is to be found in the first column to the left. Then, along the horizontal line, and under the given difference of latitude, is inserted...meridian distance is accurately equal to the departure. Thus, if the middle latitude be 37°, and the difference of latitude 18°, the correction will be found... | |
 | Elias Loomis - 1855 - 192 halaman
...and under the given difference of latitude, is inserted the proper correction in minutes, which must be added to the middle latitude to obtain the latitude in which the meridian distance is exactly equal to the departure. Thus, if the middle latitude is 41°, and the difference of -latitude... | |
 | Elias Loomis - 1859 - 372 halaman
...to which, and under the given difference of latitude is inserted the proper correction in minutes, to be added to the middle latitude to obtain the latitude in which the meridian distance is accu rately equal to the departure. Thus, if the middle latitude is 41°, anc the difference of latitude... | |
 | Elias Loomis - 1862 - 176 halaman
...to which, and under the given difference of latitude, is inserted the proper correction in minutes, to be added to the middle latitude to obtain the latitude in which the meridian distance is accu rately equal to the departure. Thus, if the middle latitude is 41o, and the difference of latitude... | |
 | Elias Loomis - 1865 - 400 halaman
...to which, and under the given difference of latitude, 1s inserted the proper correction in minutes, to be added to the middle latitude to obtain the latitude in which the meridian distance is accu rately equal to the departure. Thus, if the middle latitude is 41°, and the difference of latitude... | |
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Then, along the horizontal line, and under the given difference of latitude, is inserted the proper correction to be added to the middle latitude to obtain the latitude in which the meridian distance is accurately equal to the departure. Thus, if the... 
