 | Andrew Mackay - Latitude - 1809 - 412 pages
...that of its passing the meridian,* and tako ilut the corresponding equation from the table ; MrH.-h added to, or subtracted from the true altitude of...the latitude of the place of observation. EXAMPLES. L Let the corrected altitude of the pole star be 48° 12' N. observed 9h. 20' before its passage over... | |
 | Robert Gibson - Surveying - 1811 - 580 pages
...17? Difference of Altitude of the Pole Star and the Poie, at different distances of the Star from the Meridian. As the pole star is generally known, that...Let the corrected altitude of the pole star be 46» lo' N, observed 8h. 30' before its passage over the meridian. Required the latitude • True altitude... | |
 | Robert Gibson - Surveying - 1814 - 558 pages
...i Difference of Altitude of the Pole Star and the Pole, at different distances of the Star from the Meridian. As the pole star is generally known, that...altitude of the pole star, will give the latitude of the plaee of observation. M EXAMPLES. I. Let the corrected altitude of the pole star be 46° 10* N, observed... | |
 | Robert Gibson - Surveying - 1821 - 594 pages
...follows : — Find the interval between the time of observation of the altitude of the polestnr, an-1 that of its passing the meridian, and take out the...added to, or subtracted from the true altitude of the polestar, will give the latitude of the place of observation. EXAMPLE8. • i I. Let the corrected... | |
 | David Thomson - Longitude - 1831 - 316 pages
...Time that the Pole Star is past the Meridian, and take out the corresponding correction, which being added to, or subtracted from, the true altitude of the Pole Star, as directed in the table, the sum or difference will be the Latitude. EXAMPLE L 1n Longitude 25° W.... | |
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Poie, at different distances of the Star from the Meridian. As the pole star is generally known, that no opportunity, therefore, may be lost for determining the latitude, this table is inserted, the use of which is as follows : — Find the interval between... 