Indian Ocean : Curves of Equal Magnetic Variation For 1880, From the Latest Official Information

Resource Type : Map
Author : Smith, T. M.
Year/Date of Publication : 1881
Subject : Climatic Map
Publisher : Calcutta Marine Survey Department 1881
Place of Publication : Calcutta
Language : English
Notes/Description : The Red Shows Approximate Annual Increase, The Blue Annual Decrease, And The White Space No Changes. The Amount of Annual Increase or Decrease is Expressed in Minutes of Arc
Pages/Folios : 1
Identifier : MAP_0006
Digitization Sponsor : Government of Maharashtra

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