01251cam a22002891 4500 l 23000146 DLC 20260227111529.0 910812s1923 dcu 000 0 eng c l 23000146 (OCoLC)24220288 U.S. Dept. of Labor CLU CLU DLC premarc HD8051 .A62 no. 336 TS233 .N3 United States. Bureau of Labor Statistics. Safety code for the protection of industrial workers in foundries. National Founders' Association, American Foundrymen's Association, sponsors. Tentative American Standard, approved June, 1922, by American Engineering Standards Committee, April, 1923. Washington, Govt. Print. Off., 1923. iv, 12 p. 24 cm. Bulletin of the United States Bureau of Labor Statistics, no. 336 Safety code series At head of title: U.S. Department of Labor. James J. Davis, secretary. Bureau of Labor Statistics. Founding. Safety appliances. American Foundrymen's Society. American Standards Association. United States. Bureau of Labor Statistics. Bulletin. no. 336. 35696 35696