Markus, N. S. <br/><br/>
Data and circuits of radio recevier an amplifier valves,   2nd. Supplement / 
compiled and edited by N.S. Markus and J. Otte ; [English translation ... by J.F. Havinga]. 
 - 1st. eng. ed. 
 - Eindhoven, Holland :  Houston :  Philips Technical Library ;  Elsevier Press [distributor] :   1952. 
 - 487 p. :   ill. ;  24 cm. 
 - Series of books on electronic valves  ;   bk. 3A .
<br/><br/> Spine title: Electronic valves. 
<br/><br/><label>LCCN: </label>93179040  
<br/><br/><label>Subjects--Corporate Names: </label><br/>Philips' Gloeilampenfabrieken.
<br/><br/><label>Subjects--Topical Terms: </label><br/>TUBOS AL VACÍO<br/>AMPLIFICADORES, TUBOS AL VACÍO<br/>CIRCUITOS, TUBOS AL VACÍO