Category:1911 photographs of Antarctica
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This category has only the following subcategory.
Media in category "1911 photographs of Antarctica"
The following 3 files are in this category, out of 3 total.
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George Simpson magnetometer.jpg 638 × 454; 189 KB
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George Simpson timing an occultation of Jupiter.jpg 691 × 538; 282 KB
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Image from page 116 of "Determinations of gravity" (1921).jpg 1,206 × 1,700; 425 KB