I N D U S T 1%1 A L A N 1)
842
E N GI N EE K I N G CH E M IS T R Y
Glass Company, Sherwin Williams Company, Texas Mining and smelting company, and ~ i t ~pigment ~ , icompany, ~ ~ LITERATUIIE CITED (1) Brownc, F. L., 1x0. ENG.C a a ; ~ . 19, . 932 (1927). (2) Ibid.. 22, 647 (1930). (3) Ibid.. 23, 290 (1931). (4) Browne, F. L.,Soutiiern Lumberman, 22, 2 0 (Feb. 1. 1933). ( 5 ) Dunlap. M. E., Ibid., 18, 1230 (1926); IM
