Code of lighting: factories, mills and other work places
By: Revision of 1930. American standard, approved by the American Standards Association, August 18, 1930. Sponsor, Illuminating Engineering Society ... October, 1931.
Contributors: American Standards Association.; United States. Bureau of Labor Statistics.
Series: Bulletin of the United States Bureau of Labor Statistics,; no. 556; Safety code series
Publisher: U.S. Govt. Print. Off.
Published: 1931
Place of publication: Washington
Language: eng
Number of pages: 22
Subjects: Factories -- Lighting.
Notes: At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner.