Binns, Charles Fergus2020-05-112020-05-111921-05-27http://hdl.handle.net/10829/23813Binns writes Anthony, "This school is prepared to test your clay at a charge of $25.00 per sample. About five pounds of material will be necessary for the first test."1 pageen-USCharles F. BinnsG. T. Anthonyclay analysisCorrespondence