Category:Astronomy in the 1850s
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Subcategories
This category has the following 11 subcategories, out of 11 total.
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Media in category "Astronomy in the 1850s"
The following 2 files are in this category, out of 2 total.
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Porro - LA PLUS GRANDE LUNETTE DU MONDE (cropped).jpg 2,551 × 2,105; 1.68 MB
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Porro - LA PLUS GRANDE LUNETTE DU MONDE.jpg 2,716 × 2,435; 1.19 MB