Anthracene. No. 11895, E. I. du Pont de Nemours & Company v. director general, as agent; [no. 12072, Barrett Company v. director general, as agent, Pennsylvania Railroad Company, et al.; no. 12234, Barrett Company v. director general, as agent, Baltimore & Ohio Railroad Company, et al.]; decided July 25, 1922; report [and order] of commission.