Code of lighting: factories, mills and other work places
Illuminating Engineering Society
creator
American Standards Association
United States
Bureau of Labor Statistics.
text
dcu
Washington
U.S. Govt. Print. Off.
1931
monographic
eng
vi, 22 p. plates. 24 cm.
Revision of 1930. American standard, approved by the American Standards Association, August 18, 1930. Sponsor, Illuminating Engineering Society ... October, 1931.
At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner.
Factories
Lighting
HD8051 .A62 no. 556
Bulletin of the United States Bureau of Labor Statistics, no. 556
Safety code series
l 31000153
U.S. Dept. of Labor. Library
910920
20260227111533.0
l 31000153