 | William Chauvenet - Astronomical instruments - 1863 - 764 pages
...quantities for a given local timejl'o must find the corresponding Greenwich time (Arts. 45, 46). When this time is exactly one of the instants for which...case, the time falls between two of the times in the Ephcmcris, we must obtain the required quantity by interpolation. To facilitate this interpolation,... | |
 | William Chauvenet - 1864 - 720 pages
...quantities for a given local time, we must find the corresponding Greenwich time (Arts. 45, 46). When this time is exactly one of the instants for which...in the Ephemeris, nothing more is necessary than to transcrihe the quantity as there put down. But when, as is mostly the case, the time falls between... | |
 | William Chauvenet - Astronomical instruments - 1874 - 724 pages
...quantities for a given local time, we must find the corresponding Greenwich time (Arts. 45, 46). When this time is exactly one of the instants for which...put down. But when, as is mostly the case, the time fulls between two of the times in the Ephemeris, we must obtain the required quantity by interpolation.... | |
 | Thomas Liddell Ainsley - Merchant marine - 1875 - 416 pages
...roth, or Dec. ю о о о one of the instants for which the declination is put down in the Almanac, nothing more is necessary than to transcribe the quantity as there put down. Decimation 11° 59' sine • 9-591580 Latitude 54 35 secant 0-236933 sine 9-828513 (AM and S. decl.)... | |
 | Thomas Liddell Ainsley - 1880 - 482 pages
...given local or ship time, wo must find the corresponding Greenwich date (Rule LXXVIII, page 127). Where this time is exactly one of the instants for which the required quantity is put down in the Ephemeras, nothing more is necessary than to transcribe the quantity as there put down. But when, as... | |
 | William Chauvenet - Astronomical instruments - 1891 - 716 pages
...quantities for a given local time, we must find the corresponding Greenwich time (Arts. 45, 46). When this time is exactly one of the instants for which...between two of the times in the Ephemeris, we must ohtain the required quantity by interpolation. To facilitate this interpolation, the Ephemeris contains... | |
 | John Huntington Crane Coffin - Nautical astronomy - 1898 - 240 pages
...quantities for a given local time, we must first find the corresponding Gfreentcich time (Art. 77). When this time is exactly one of the instants for which the required quantity is put down in the Almanac, it is only necessary to transcribe the quantity as it is there given. When, as is mostly the... | |
 | C. F. Close - Surveying - 1905 - 378 pages
...of problems in field Astronomy. When the time of observation, for which the quantities are required, is exactly one of the instants for which the required quantity is put down in the ' Nautical Almanac,' then we have only to take out this quantity ; but as a rule this time falls between... | |
 | John William Norie, J. W. Saul - Nautical astronomy - 1917 - 642 pages
...given local time, we must invariably find the corresponding Greenwich date (see pp. 233 to 234). When this time is exactly one of the instants for which the required quantity is put down in the Almanac, nothing more is necessary than to transcribe the quantity as there set down. But when, as... | |
| |
When this time is exactly one of the instants for which the required quantity is put down in the Ephemeris, nothing more is necessary than to transcribe the quantity as there put down. But when, as is mostly the case, the time falls between two of the... 