Machine for Testing Strength of Drain Tile | University of Illinois Archives
Machine for Testing Strength of Drain Tile
Sepia-toned photograph showing device for measuring the strength of drain tile. Pieces of iron, stone, and sand with known weight were placed into the box at the right until the tile broke
Found in RS 11/1/10, Vol. 4
Image measures 14.5 x 15 cm
University of Illinois Archives
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