Physics in industry : 

 - London :  Institute of Physics,  1938. 
 - 102 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetism<br/>Electron theory<br/>Ferromagnetism
<br/><br/><label>Dewey Class. No.: </label>538  / MAG