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.  American standard, approved June 25, 1930, American standards association ... December, 1930. 
 - Washington,  U.S. Govt. print. off.,  1930. 
 - iv, 30 p.  incl. tables, diagrs.  24 cm. 
 - Bulletin of the United States Bureau of labor statistics,  no. 527. Safety code series .
<br/><br/> At head of title:  U.S. Department of labor.  William N. Doak, secretary.  Bureau of labor statistics.  Ethelbert Stewart, commissioner.  Issued also as House doc. 583, 71st Cong., 3d sess.  A revision of the Safety code issued in 1927 as Bulletin no. 436 of the United States Bureau of labor statistics. 
<br/><br/><label>LCCN: </label>l  31000004  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Safety appliances.<br/>Grinding and polishing.<br/>Grinding wheels--Safety appliances.
<br/><br/><label>LC Class. No.: </label>HD8051  / .A62 no. 527