File:United States patent 1 - Figure 4.png
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:42, 27 September 2011 | 890 × 1,080 (17 KB) | Inductiveload | {{Information |Description={{en|United States patent 1: Locomotive steam-engine for rail and other roads. Figure 4}} |Source=http://www.google.com/patents?id=krA-AAAAEBAJ |Date=Issued July 13, 1832 |Author=John Ruggles |Permission={{PD-US-Patent}} |other_ |
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