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,  Safety code series  no. 336 .
 - United States.  Bureau of Labor Statistics.  Bulletin.  no. 336. .
<br/><br/> At head of title: U.S. Department of Labor. James J. Davis, secretary. Bureau of Labor Statistics. 
<br/><br/><label>LCCN: </label>l  23000146  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Founding.<br/>Safety appliances.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 336 TS233  / .N3