Safety code for the use, care, and protection of abrasive wheels. 
International Association of Industrial Accident Boards and Commissions and Grinding Wheel Manufacturers Association, sponsors. Tentative American Standard, approved February 11, 1922, by American Engineering Standards Committee ... April, 1923. 
 - Washington,  Govt. Print. Off.,  1923. 
 - iv, 20 p. incl. tables, diagrs.  23 cm. 
 - Bulletin of the United States Bureau of Labor Statistics,  Safety code series  no. 338 .
 - United States.  Bureau of Labor Statistics.  Safety code series.  Bulletin. .
<br/><br/> At head of title: U.S. Department of Labor. James J. Davis, secretary. Bureau of Labor Statistics. Ethelbert Stewart, commissioner. 
<br/><br/><label>LCCN: </label>l  23000145  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Safety appliances.<br/>Grinding and polishing.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 338