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" W., and at the same time the observed altitude of the sun's lower limb was 21° 40' 45", the index correction was — 2' 18", and the height of the eye above the sea was 14 feet : required the variation. "
Navigation and Nautical Astronomy - Page 258
by H. W. Jeans - 1858
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Navigation and Nautical Astronomy: For the Use of British Seamen

James Inman - 1849 - 302 pages
...ASTRONOMY. The run of the ship in the interval was North 10 miles : the index correction was +0' 40", and the height of the eye above the sea was 14 feet : the latitude by account being 53" N. and longitude 18° W. The distance arc between the places of...
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Navigation and Nautical Astronomy: The Practical Part, Containing Rules for ...

H. W. Jeans - 1853 - 314 pages
...of the sun's lower limb was 20° 15' 40' (zenith S. of the sun), the index correction was + 2' 50", and the height of the eye above the sea was 14 feet; required the latitude. 7. April 23, 1835, at 9h PM, mean time nearly, in long. 5° 10' W., the observed meridian...
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Navigation and nautical astronomy, Volume 1; Volume 52

Henry William Jeans - 1870 - 288 pages
...long. 160° E., the sun rose by compass E. 21° 18' 30" 'S. : required the variation. 14. March 7, at 2h 50m PM, mean time nearly, in lat. 51° 10' N....above the sea was 14 feet : required the variation. 15. Eequired the time of high water at л on August 27, AM and PM Change tide at A... 5h 18m PM app....
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Nautical tables, revised by J.W. Inman. With Navigation and ..., Volume 46

James Inman - 1872 - 818 pages
...page 107. The run of the ship in the interval was North 10 miles : the iiulex correction was +0' 40", and the height of the eye above the sea was 14 feet : the latitude by account being 53° N. and longitude 18° W. The distance arc between the places of...
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A Treatise on Navigation and Nautical Astronomy

William Robert Martin - 1899 - 474 pages
...S. 54° 50' E., and at the same time the observed altitude of the sun's lower limb was 21° 40' 43", the index correction was —2' 18", and the height of the eye above the sea was 14 feet. Eequired the total error of the compass. Ans. 5° 54' E. Elements from ' Nautical Almanac.' Sun's Declination....
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