Squier, George Owen,  1865- <br/><br/>
Multiplex telephony and telegraphy,  by means of electric waves guided by wires. 
By George O. Squier. 
 - Washington,  Govt. Print. Off.,  1911. 
 - 102 p.  illus., diagrs.  23 cm. 
 - Professional paper of the Signal Corps, U.S. Army. .
<br/><br/> On verso of t.-p.:  War Department.  Document no. 390. 
<br/><br/><label>LCCN: </label>war11000100  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Telephone.<br/>Telegraph.
<br/><br/><label>LC Class. No.: </label>TK6421  / .S8