by Benjamin William Dedrick, Edgar Theodore Wherry, George Bishop Sudworth, Gustav Paul Warber, Jacob Hiram Arnold, Jay Allan Bonsteel, John A. Newlin, John William Roberts, Samuel Augustus Jones, Warren David Brush, Frank Montgomery, Roy Benner Fehr, Thomas Randall Carson Wilson, David James Price
Investigation in the Experimental Attrition Mill at the Pennsylvania State College
by Benjamin William Dedrick, Edgar Theodore Wherry, George Bishop Sudworth, Gustav Paul Warber, Jacob Hiram Arnold, Jay Allan Bonsteel, John A. Newlin, John William Roberts, Samuel Augustus Jones, Warren David Brush, Frank Montgomery, Roy Benner Fehr, Thomas Randall Carson Wilson, David James Price
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