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DECLINATION (from Lat. declinare, to ...

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Originally appearing in Volume V07, Page 914 of the 1911 Encyclopedia Britannica.

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DECLINATION (from Lat. declinare, to decline)

DECLINATION (from See also:
LAT
Lat. declinare, to decline) , in See also:

magnetism the See also:

ANGLE (from the Lat. angulus, a corner, a diminutive, of which the primitive form, angus, does not occur in Latin; cognate are the Lat. angere, to compress into a bend or to strangle, and the Gr. ayKOS, a bend; both connected with the Aryan root ank-, to

angle between true See also:

north and magnetic north, i.e. the variation between the true See also:

meridian and the magnetic meridian. In 1596 at See also:

LONDON

London the angle of declination was 11° E. of N., in 1652 magnetic north was true north, in 1815 the magnetic See also:

NEEDLE (O. Eng. ncedl; the word appears in various forms in Teutonic languages, Ger. Nadel, Dutch naal, the root being ne-, to sew, cf. Ger. nahen, and probably Lat. nere, to spin, Gr. vi)ats, spinning)

needle pointed 241° W. of N., in 1891 18° W., in 1896 17° 56' W. and in 1906 17° 45'. The angle is gradually diminishing and the declination will in See also:

time again be o°, when it will slowly increase in an easterly direction, the north magnetic See also:

pole oscillating slowly around the North Pole. See also:

REGULAR

Regular daily changes of declination also occur. Magnetic storms cause irregular See also:

variations sometimes of one or two degrees. (See MAGNETISM, TERRESTRIAL.) In See also:

ASTRONOMY (from Gr. &arpov, a star, and v ,usiv, to classify or arrange)

astronomy the declination is the angular distance, as seen from the See also:

earth, of a heavenly See also:

BODY

body from the See also:

CELESTIAL, OR STELLAR

celestial See also:

EQUATOR (Late Lat. aequator, from aequare, to make equal)

equator, thus corresponding with terrestrial See also:

LATITUDE (Lat. latitudo, latus, broad)

latitude.

End of Article: DECLINATION (from Lat. declinare, to decline)

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