File:PSM V37 D267 Cement testing briquet mold.jpg
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 00:06, 23 October 2010 | 487 × 1,160 (54 KB) | Ineuw | {{Information |Description = Cement testing briquet mold |Source = http://en.wikisource.org/wiki/Page:Popular_Science_Monthly_Volume_37.djvu/267 |Date = 1890 |Author = Unknown |Permission = {{PD-old}} |other_versions |
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