TY  - BOOK
ED  - Illuminating Engineering Society.
ED  - American Standards Association.
ED  - United States.
TI  - Code of lighting: factories, mills and other work places
T2  - Safety code series
AV  - HD8051 .A62 no. 556
PY  - 1931///
CY  - Washington
PB  - U.S. Govt. Print. Off.
KW  - Factories
KW  - Lighting
N1  - At head of title: United States Department of Labor. W.N. Doak, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner
ER  -