Henney, Keith, 1896-  Henney, Keith, 1896- <br/><br/>
Electron tubes in industry / 
by Keith Henney and James D. Fahnestock. 
 - 3rd ed. 
 - New York :  McGraw-Hill,  1952. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>LCCN: </label>51013587 /L 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum-tubes.
<br/><br/><label>LC Class. No.: </label>QC544.V3  / H4 1952 
<br/><br/><label>Dewey Class. No.: </label>537.53  621.342*