Hallows, Ralph Watson,  1885- <br/><br/>
Television simply explained / 
by R. W. Hallows. 
 - 2d ed. rev. 
 - London :  Chapman & Hall,  1954. 
 - 196 p.  illus. 
<br/><br/> "First published, 1947." 
<br/><br/>Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Television.
<br/><br/><label>Dewey Class. No.: </label>621.388  / HAT 1954