Reich, Herbert J. <br/><br/>
Principles of electron tubes / 
by Herbert J. Reich ... 
 - 1st ed. 
 - New York,  London,  McGraw-Hill Book Company, Inc.,  1941. 
 - xv, 398 p.  illus., diagrs.  24 cm. 
<br/><br/> "Essentially an abridgement of [the author's] 'Theory and applications of electron tubes'."--Pref.  "Answers to problems": p. 395-398. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Vacuum-tubes.<br/>Electric circuits.
<br/><br/><label>Universal Decimal Class. No.: </label>621.38