ISBN 10: 1130449963 / ISBN 13: 9781130449969
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Riassunto: This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1851 Excerpt: ...fj % approx. lat 3 37 47 cor (T.29) + 15 latitude 35 38 2N By Nautical Almanac, latitude, 35 40' 6"N. Rules and Tables for finding the Latitude by an altitude of the Polar Star, to the nearest second, will be found in the Nautical Almanac. ExcAnplesfor Exercise. 1. November 24, 1852, at 7h. 45m. P.m. in longitude 20 W. the altitude of the polar star being 47 40' 20", the height of the eye 17 feet, and index error 1' 10" to add; required the latitude? Answer.--46 10' 4l"N. by N.A. 46 11 54 N. 2.--May 6, 1852, at lOh. 30m. 30s. P.m. in longitude 40 20'W. the altitude of the polar star being 50 30', the height of the eye 21 feet, and index error 2' 40" to subtract required the latitude? Answer.--51 50 7 N. byN.A. 51 51 37N. 3. September 19, 1852, at lOh. 40m. P.m. the observed altitude of the polar star being 40 30' 40", and the height of the eye 16 feet; required the latitude? Answer.--39 15' 33"N. by N.A. 39 16 49 N. 4. May 2, 1852, at 8h. 40m. 20s. P.m. mean time, the observed altitude of the polar star being 60 10', the height of the eye 14 feet, and index error 2' 40" to subtract; required the latitude? Answer.--61 23' 46"N. by N A. 61 24 0 N. To jind the latitude by a meridian altitude below the pole. When the latitude of the place of observation, and the declination of a celestial body are both of the same name, if the former exceed the complement of the latter, the celestial body will be circumpolar, that is, it will come to the opposite meridian without setting at that place, and is then said to be on meridian below the Pole, in which situation, if the altitude of the body be taken, the latitude of the place may be found by the following Rule.--Correct the declination of the object and subtract it from 90 t...

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Mrs Janet Taylor
Editore: RareBooksClub
ISBN 10: 1130449963 ISBN 13: 9781130449969
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Descrizione libro RareBooksClub. Paperback. Condizione libro: New. This item is printed on demand. Paperback. 156 pages. Dimensions: 9.7in. x 7.4in. x 0.3in.This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1851 Excerpt: . . . fj approx. lat 3 37 47 cor (T. 29) 15 latitude 35 38 2N By Nautical Almanac, latitude, 35 40 6N. Rules and Tables for finding the Latitude by an altitude of the Polar Star, to the nearest second, will be found in the Nautical Almanac. ExcAnplesfor Exercise. 1. November 24, 1852, at 7h. 45m. P. m. in longitude 20 W. the altitude of the polar star being 47 40 20, the height of the eye 17 feet, and index error 1 10 to add; required the latitude Answer. --46 10 4lN. by N. A. 46 11 54 N. 2. --May 6, 1852, at lOh. 30m. 30s. P. m. in longitude 40 20W. the altitude of the polar star being 50 30, the height of the eye 21 feet, and index error 2 40 to subtract required the latitude Answer. --51 50 7 N. byN. A. 51 51 37N. 3. September 19, 1852, at lOh. 40m. P. m. the observed altitude of the polar star being 40 30 40, and the height of the eye 16 feet; required the latitude Answer. --39 15 33N. by N. A. 39 16 49 N. 4. May 2, 1852, at 8h. 40m. 20s. P. m. mean time, the observed altitude of the polar star being 60 10, the height of the eye 14 feet, and index error 2 40 to subtract; required the latitude Answer. --61 23 46N. by N A. 61 24 0 N. To jind the latitude by a meridian altitude below the pole. When the latitude of the place of observation, and the declination of a celestial body are both of the same name, if the former exceed the complement of the latter, the celestial body will be circumpolar, that is, it will come to the opposite meridian without setting at that place, and is then said to be on meridian below the Pole, in which situation, if the altitude of the body be taken, the latitude of the place may be found by the following Rule. --Correct the declination of the object and subtract it from 90 t. . . This item ships from La Vergne,TN. Paperback. Codice libro della libreria 9781130449969

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