Glaze test tile--divided into four squares (Yellowish white, rose, white, blue gray)
yellow (color); blue (color); ceramic tile; color trial proofs; cells (interior spaces); squares (geometric figures)
Made at the College of Mining Engineering, State University, Grand Forks, N.D. Written on outside edge Body 72, Glaze 452.; Bod 48, G 450; Body 48, Glaze 401; B.48, G. 451 Glaze color and number also written on front rose, grey. Handwritten on back 2cd.?
"C MSC 433-1137 Side B" (2017). UND Pottery Collection. 1601.