Category:Thomas arithmometer in the Ural Geological Museum
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Media in category "Thomas arithmometer in the Ural Geological Museum"
The following 3 files are in this category, out of 3 total.
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Collections of the Ural Geological Museum - 262.jpeg 6,000 × 4,000; 5.69 MB
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Collections of the Ural Geological Museum - 263.jpeg 6,000 × 4,000; 3.93 MB
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Collections of the Ural Geological Museum - 264.jpeg 6,000 × 4,000; 4.19 MB
