Frank, Nathaniel H. <br/><br/>
Introduction to electricity and optics / 
by Nathaniel H. Frank. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  1950. 
 - xv, 440 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Optics.<br/>Electricity.