 ... after noon is so nearly that of the meridian that it may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north, or + in the table, the refraction is to be added ; when the declination...  Elements of Surveying and Leveling - Page 12by Charles Davies - 1883 - 564 pagesFull view - About this book
 | Daniel Carhart - Surveying - 1888 - 528 pages
...may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north or + in the table, the refraction...the equator, less than one hour from the horizon. Thus, suppose it be required to obtain the declination for any hour in the day, April 16, 1887, at... | |
 | Daniel Carhart - Surveying - 1888 - 530 pages
...the same. When the table is used, it must be borne in mind that when the declination is north or -f- in the table, the refraction is to be added ; when...the equator, less than one hour from the horizon. Thus, suppose it be required to obtain the declination for any hour in the day, April 16, 1887, at... | |
 | W. & L.E. Gurley - Surveying - 1905 - 462 pages
...may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north, or + in the table, the refraction...observations should not be taken with the sun when it is south of the equator, less than one hour from the horizon. A TABLE OF MEAN REFRACTIONS IN DEC... | |
 | United States Army Service Schools. Ft. Leavenworth, Kansas - Military topography - 1895 - 318 pages
...borne in mind tluit when the declination is north or + i'i the table, the refraction is to be addedwhen the declination is south or — , the refraction must...the equator, less than one hour from the horizon. TABLE VII. Pole Distances of Polaris. TABLE VIII. Azimuths of the Tangents and Offsets, in feet, to... | |
 | Edwin Alvin Root - Military topography - 1902 - 458 pages
...may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north or + in the table, the refraction...the equator, less than one hour from the horizon, TABLE VII.— Pole Distances of Polaris. TABLE VIII.— Azimuths of the Tangents, and Offsets In feet,... | |
 | Gurley, W. & L. E., Troy, N.Y. - Surveying - 1903 - 460 pages
...may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north, or + in the table, the refraction...observations should not be taken with the sun when it is south of the equator, less than one hour from the horizon. A TABLE OF MEAN REFRACTIONS IN DECLINATION.... | |
 | W. & L.E. Gurley - Surveying - 1908 - 484 pages
...may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north, or + in the table, the refraction...observations should not be taken with the sun when it is south of the equator, less than one hour from the horizon. A TABLE OF MEAN REFRACTIONS IN DECLINA... | |
 | Gurley, W. & L. E., Troy, N.Y. - Surveying - 1914 - 378 pages
...may be called and allowed as the same. When the table is used, it must be borne in mind that when the declination is north, or + in the table, the refraction...nears the horizon, showing that observations should lint l,e taken with the sun when it is south of the equator, less tlmt1 one hour from the horizon.... | |
 | James Underhill - Mine surveying - 1922 - 268 pages
...may be called and allowed as the same. When the table is used it must be borne in mind that when the declination is north, or + in the table, the refraction...— , the refraction must be subtracted. It will be noted that the refraction in south declination increases very rapidly as the sun nears the horizon,... | |
 | James Underhill - Mine surveying - 1922 - 268 pages
...is south, or — , the refraction must be subtracted. It will be noted that the refraction in south declination increases very rapidly as the sun nears...showing that observations should not be taken with sun when south of the equator, less than one hour from the horizon. To Compute the Declination Suppose... | |
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