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See also:DIP (Old Eng. dyppan, connected with the See also:common See also:Teutonic See also:root seen in " deep ") , the See also:angle which the magnetic See also:needle makes with the See also:horizon . A freely suspended magnetic needle will not maintain a See also:horizontal position except at the magnetic See also:equator . Over the N. magnetic See also:pole the See also:north-seeking end of the needle points directly downwards and dips at an intermediate angle at intermediate distances between the magnetic poles and equator . There are See also:secular progressive See also:variations of See also:dip as well as of See also:declination and the See also:maxima are See also:independent of each other . In II 1576 the dip at See also:London was 71° 50', 'in 1720 (max.) 74° 42', in 1900 67° 9' . |
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