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Definition of Isogonal line
1. Noun. An imaginary line connecting points on the Earth's surface where the magnetic declination is the same.
Lexicographical Neighbors of Isogonal Line
Literary usage of Isogonal line
Below you will find example usage of this term as found in modern and/or classical literature:
1. Electricity and Magnetism: An Elementary Text-book, Theoretical and Practical by Richard Glazebrook (1903)
"Such a line is called an isogonal line. Thus along a line passing near Hull,
Lincoln, Northampton, Oxford, Salisbury and Swanage, the declination in 1891 ..."
2. A Treatise on the Analytical Geometry of the Point, Line, Circle, and Conic by John Casey (1893)
"The asymptotic directions are the isogonal conjugates of the points W, W1, but
the Simpson's line of W is perpendicular to the isogonal line A W", ..."
3. Tests and studies of the ocular muscles by Ernest Edmund Maddox (1907)
"Oc represents what I have called an "isogonal line,"* or line of i-qual convergence.
All points in the periphery of this circle, when made objects of ..."
4. A Text-book of Physics by William Watson (1911)
"What is an isogonal line ? Give a general account of the distribution of isogonal
lines on the earth's surface. 15. Explain what is meant by diurnal range ..."
5. Physical Geography, Or The Terraqueous Globe and Its Phenomena by William Desborough Cooley (1876)
"... that again being placed in an isogonal line, the circle will then measure the
dip, which will increase towards the magnetic pole, where the needle, ..."
6. Relations Between Local Magnetic Disturbances and the Genesis of Petroleum by George Ferdinand Becker (1909)
"A line of equal declination, also called an " isogonal line," is one along which
the compass ... A magnetic meridian differs in toto from an isogonal line. ..."
7. Bulletin by Geological Survey (U.S.) (1909)
""A Une of equal declination, also called an " isogonal line," is one ... Л magnetic
meridian differs in tolo from an isogonal line. ..."
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