Description: A sketch map of the Earth from 1906, showing the aclinic line, the magnetic equator, an irregular curve in the neighborhood of the terrestrial equator, where the magnetic needle balances itself horizontally, having no dip.
Place Names: A Complete Map of Globes and Multi-continent, Africa, Australia, Asia, Europe, North America, South Americ
ISO Topic Categories: location,
oceans,
geoscientificInformation
Keywords: Aclinic Zones, aclinic line, location,
oceans,
geoscientificInformation, Unknown, 1906
Source: L. Brent Vaughan, Hill's Practical Reference Library of General Knowledge (Chicago, IL: Dixon, Hanson, & Company, 1906)
Map Credit: Courtesy the private collection of Roy Winkelman |
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