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  • 21 Aug, 2019

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File:PSM V86 D520 Mellon Institute Of Industrial Research U Of Pittsburgh.jpg

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current15:53, 5 September 2010Thumbnail for version as of 15:53, 5 September 20101,552 × 1,254 (387 KB)Ineuw{{Information |Description = Mellon Institute of Industiral Research at the University of Pittsburgh |Source = http://en.wikisource.org/key/Page:Popular_Science_Monthly_Volume_86.djvu/520 |Date = 1915 |Author = Unknown |Permission = {{PD-old}} |oth

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