AGONIC LINES (from Gr. α-, privative, and γωνία, an angle), the term given to the imaginary lines on the earth’s surface connecting points at which the magnetic needle points to the geographical north and south. (See Magnetism, Terrestrial.)
See also Magnetic declination on Wikipedia; and our 1911 Encyclopædia Britannica disclaimer.
AGONIC LINES (from Gr. α-, privative, and γωνία, an angle), the term given to the imaginary lines on the earth’s surface connecting points at which the magnetic needle points to the geographical north and south. (See Magnetism, Terrestrial.)