Harlow Alvin F <br/><br/>
Old wires and new waves 

 -  1936 
 - p.  cm. 
<br/><br/><label>Standard No.: </label>71702 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electrical communication
<br/><br/><label>Dewey Class. No.: </label>D666:4, G6