Safety codes for the prevention of dust explosions
By: National fire protection association and United States Department of agriculture, sponsors.  Tentative American standard, approved July 2, 1926, by American engineering standards committee.  January, 1927.
Contributors: United States. Dept. of Agriculture.; United States. Bureau of Labor Statistics.
Series: Bulletin of the United States Bureau of labor statistics,; no. 433.  Safety code series
Publisher: Govt. print. off.
Published: 1927
Place of publication: Washington
Language: eng
Number of pages: 40
Subjects: Industrial safety.; Dust explosions.; Explosions.
Notes: At head of title:  U.S. Department of labor.  James J. Davis, secretary.  Bureau of labor statistics.  Ethelbert Stewart, commissioner.
Issued also as House doc. 526, 69th Cong., 2d sess.