Image: Admiralty Chart No 2598 Chart of the curves of equal magnetic variation, 1858. RMG F0098, Published 1859f

Description: Chart of the curves of equal magnetic variation, 1858.Single sheet. Engr. Cartographic Note: Mercator projection. Omits poles. Additional Places: World. Contents Note: Inset: Index chart, shewing the approximate annual change of the magnetic varaiation for the epoch 1858. Stk201:1/4(2) magnetic variation by HO
Title: Admiralty Chart No 2598 Chart of the curves of equal magnetic variation, 1858. RMG F0098, Published 1859
Credit: http://collections.rmg.co.uk/collections/objects/540850
Author: Evans, Frederick J; Hydrographic Office
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