Signal book, United States army.  1914. 

 - Washington,  Govt. print. off.,  1914. 
 - 88 p.  illus., 2 col. pl.  16 cm. 
<br/><br/> Cover pockets for notes and memoranda.  War dept. doc. no. 464. 
<br/><br/><label>LCCN: </label>war14000123  
<br/><br/><label>Subjects--Corporate Names: </label><br/>United States. Army --Communication systems.
<br/><br/><label>LC Class. No.: </label>UG573  / .A65 1914