File:EB1911 - Magnetism, Terrestrial - Fig. 5.—Secular change.jpg
EB1911_-_Magnetism,_Terrestrial_-_Fig._5.—Secular_change.jpg (313 × 215 pixels, file size: 47 KB, MIME type: image/jpeg)
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current | 08:03, 28 December 2020 | 313 × 215 (47 KB) | DivermanAU | tidy image and improve contrast | |
20:13, 27 December 2020 | 313 × 215 (16 KB) | DivermanAU | Uploaded a work by {{anonymous}} from ''Encyclopædia Britannica'' (11th ed.), v. 17, 1911, "Magnetism, Terrestrial" article, pp. 362 ff. Modified from https://www.gutenberg.org/files/43060/43060-h/43060-h.htm#ar107 with UploadWizard |
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