Category:Popular astronomy, 1887
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Media in category "Popular astronomy, 1887"
The following 2 files are in this category, out of 2 total.
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Newcomb, Simon – Popular astronomy, 1887 – BEIC 680950.jpg 483 × 803; 60 KB
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Popular astronomy (IA popularastronom00new).pdf 754 × 1,227, 642 pages; 48.92 MB