Silicosis prevention
Subtitle: dust control in foundries.
By: United States Department of labor. Frances Perkins, secretary. Division of labor standards. Verne A. Zimmer, director.
Publisher: U.S. Govt. print. off.
Published: 1939
Place of publication: Washington
Language: eng
Number of pages: 25
Subjects: Lungs -- Dust diseases.; Foundries.
Notes: "Selected references": p. 25.