Interview 52a : In this interview with Sheila Billingsley, former firebrick salesman Arthur C. Beale remembers his time as a salesman calling on the forest products industry in East Texas. Mr. Beale sold firebricks, primarily for kilns, to Kurth mills and to the Temple mills in Diboll. He explains the use of firebricks and kilns and details the process of manufacturing lumber, from raw tree to finished product.