Wright, Mark R., 1854- · London : Longmans · leaf 155
doesnot coincide with it. The isoclinie lines are analogous to linesof latitude; but the isoclinie lines are not parallel to each other,and the curves are not regular. (See map, p. 147.) At themagnetic poles the needle would stand vertically. The northmagnetic pole is 96° 43 west longitude, and 70°… … Fig. 141. Terrestrial Magnetism 147
Physics
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