Harnwell, Gaylord P. <br/><br/>
Principles of electricity and electromagnetism / 
by Gaylord P. Harnwell. 
 - 2nd ed. 
 - New York :  McGraw-Hill,  1949. 
 - xvi, 670 p. :  ill. 
 - International series in pure and applied physics .
<br/><br/><label>Subjects--Topical Terms: </label><br/>Electricity.<br/>Magnetism.