SMITH, S F <br/><br/>
TELEPHONY AND TELEGRAPHY 

 - 
 -  OXFORD  - 
 - 282 
<br/><br/><label>ISBN: </label>
<br/><br/><label>Standard No.: </label>68429 
<br/><br/><label>Subjects--Index Terms: </label>
<br/><br/><label>Dewey Class. No.: </label>621.385  / SMI