File:Percy Sladen Trust expedition 1905 magnetic variation transactionsofli214linn 0024.jpg

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Chart of magnetic variation in the Indian Ocean, 1905

Summary edit

Description
English: Chart of curves of equal magnetic variation in the Indian Ocean, from the Percy Sladen Trust expedition in 1905.
Date
Source https://archive.org/details/transactionsofli214linn/page/10
Author Author of article: Boyle T. Somerville (1863-1936)

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This work is in the public domain in its country of origin and other countries and areas where the copyright term is the author's life plus 70 years or fewer.


This work is in the public domain in the United States because it was published (or registered with the U.S. Copyright Office) before January 1, 1929.

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current11:40, 20 July 2020Thumbnail for version as of 11:40, 20 July 20202,316 × 1,968 (491 KB)Kognos (talk | contribs)Uploaded a work by Author of article: Boyle T. Somerville (1863-1936) from https://archive.org/details/transactionsofli214linn/page/10 with UploadWizard

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