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File:US Patent 18,883 diagram.jpg

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US_Patent_18,883_diagram.jpg (397 × 543 pixels, file size: 34 KB, MIME type: image/jpeg)

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Description

The diagram from U.S. patent 18,883, an improved steam locomotive fire arch by George S. Griggs. Patent awarded December 15, 1857.

Source

U.S. patent 18,883

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Date/TimeThumbnailDimensionsUserComment
current03:00, 30 June 2005Thumbnail for version as of 03:00, 30 June 2005397 × 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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