File:PSM V38 D183 A forge trip hammer.jpg

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English: A forge trip-hammer (18th century or before)
Euskara: Gabi bat burdinolan (XVIII. mende edo lehenagokoa)
Date
Source "The Development of American Industries Since Columbus", The Popular Science Monthly, volume 38, page 171.
Author William F. Durfee
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Date/TimeThumbnailDimensionsUserComment
current04:23, 4 August 2015Thumbnail for version as of 04:23, 4 August 20152,391 × 1,694 (1.33 MB)Ineuw (talk | contribs)Cleaned image and improved contrast
04:18, 4 August 2015Thumbnail for version as of 04:18, 4 August 20152,391 × 1,694 (1.33 MB)Ineuw (talk | contribs)Cleaned image and improved contrast
23:47, 24 October 2010Thumbnail for version as of 23:47, 24 October 20102,395 × 1,705 (1.44 MB)Ineuw (talk | contribs){{Information |Description = A forge trip hammer |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_38.djvu/183 |Date = 1890-1891 |Author = Unknown |Permission = {{PD-old}} |other_versions =

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