Industrial hygiene and plant efficiency through good lighting ...
By: United States Department of Labor, Frances Perkins, secretary. Division of Labor Standards, Verne A. Zimmer, director
Contributors: American Standards Association; United States. Bureau of Labor Standards
Published: 1943
Place of publication: Washington]
Language: eng
Number of pages: 51
Subjects: Factories; Lighting
Notes: Cover-title.

"A reprint of American recommended practice of industrial lighting, approved by American Standards Association [March 17, 1942]" issued in 1939 under title: Recommended practice of industrial lighting. Several earlier issues have title: Code of lighting: factories, mills and other work places.

Bibliography: p. 50-51.