00905cam a22002531 4500 l 46000163 DLC 20260227111540.0 921102s1946 dcu f000 0 eng c l 46000163 (OCoLC)26897462 U.S. Dept. of Labor. Libr. CLU DLC TD895 .B55 Blake, Roland P. Outline of occupational disease control through engineering ... [Washington, 1946] ii numb. l., 36 p. 27 cm. U.S. Dept. of Labor. Division of Labor Standards. Bulletin, no. 83 Cover title. Processed. "The present text material, prepared by Mr. R.P. Blake ... represents a substantial revision of earlier drafts."--Forword. Occupational diseases. Bulletin (United States. Bureau of Labor Standards) ; 83. 36555 36555