Jacob, L. <br/><br/>
An introduction to electron optics. 
Foreword by Sir Clifford C. Paterson. 
 - London,  Methuen;  [1951] 
 - x,150 p.  illus.  18 cm. 
<br/><br/><label>Subjects--Index Terms: </label>Electron optics 
<br/><br/><label>Dewey Class. No.: </label>535  / JAC