Urbana, IL: University of Illinois, 1908. Original edition. Original Wraps. Small quarto, pp. 316, indexed. Illustrated with b/w drawings and photos. Good; cover missing; ex-library. Item #19556
This volume discussed the qualities of clays which can be manufactured into satisfactory pavers, the means in determining those qualities, and the methods of testing. The authors believed this report would be inspiring to the paving brick industry, and point the way to improvements in methods of testing and manufacturing.