File:US Patent 18,883 diagram.jpg
US_Patent_18,883_diagram.jpg (397 × 543 pixels, file size: 34 KB, MIME type: image/jpeg)
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The diagram from U.S. patent 18,883, an improved steam locomotive fire arch by George S. Griggs. Patent awarded December 15, 1857. | ||
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
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| current | 03:00, 30 June 2005 | | 397 × 543 (34 KB) | Slambo (talk | contribs) | The diagram from {{US patent|18,883}}, an improved steam locomotive fire arch by George S. Griggs. Patent awarded December 15 1857. {{PD-US-patent}} |
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