Fleming J A <br/><br/>
Principles of electric wave telegraphy and telephone 

 - 4 
 -  1919 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71637 
<br/><br/><label>Source: </label> 249, 07/01/2009, Dhanraj Book House  Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electric engineering
<br/><br/><label>Dewey Class. No.: </label>D666, E9