Road Materials Testing (3) | University of Illinois Archives
Road Materials Testing (3)
Photograph of Unidentified Man Testing Stone for Hardness in a Dorry Abrasion Machines
Found in RS 11/1/10, Vol. 2 Photographs of the College of Engineering
Image Measures 15.3 x 20.6 cm
University of Illinois Archives
11/1/10 Photograph Album, 1915-17
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