Emergency war training for radio mechanics and radio operators. 

 - Washington,  Govt. print. off.,  1918. 
 - 75 p.  diagrs.  23 cm. 
<br/><br/> Bound with Vocational Division bulletin no. 17-no. 27 subsequent to publication. 
<br/><br/><label>LCCN: </label>e  18001040  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telegraph, Wireless.
<br/><br/><label>LC Class. No.: </label>LB1045  / .A25 no. 16