Category:1857 in technology
Subcategories
This category has the following 4 subcategories, out of 4 total.
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Media in category "1857 in technology"
The following 2 files are in this category, out of 2 total.
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Brevetto inglese per il motore Barsanti-Matteucci (12 giugno 1857).tif 2,876 × 4,512; 37.15 MB
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HÜTTE - Des Ingenieurs Taschenbuch 1857 Reprint 2007 - Excerpt.png 3,880 × 1,476; 1.5 MB