Emergency war training for machine-shop occupations, Blacksmithing, sheet-metal working, and pipefitting. 

 - Washington,  Govt. print. off.,  1918. 
 - 48 p.  23 cm. 
<br/><br/><label>LCCN: </label>e  18000352  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Machinists.
<br/><br/><label>LC Class. No.: </label>LC1045  / .A28