EarthWorks Geospatial Catalog

A chart of magnetic curves of equal variation

Author(s)
Description
World map showing magnetic curves. In lower right margin: Engd. by G. Aikman. Plate III-I from: General atlas of the world. Edinburgh : A. and C. Black, 1854. Prime meridian: Greenwich.
Publisher
Edinburgh : Published by A. & C. Black, [1854]
Subject(s)
Magnetic declination—Maps and World maps
Held by
Princeton
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