Category:Observatory (Kunstkamera, Saint Petersburg)
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Media in category "Observatory (Kunstkamera, Saint Petersburg)"
The following 2 files are in this category, out of 2 total.
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Meridian circle 01.JPG 2,816 × 2,112; 2.96 MB
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Observatory 01.JPG 2,112 × 2,816; 4.77 MB