MacKeehan, Louis Williams,  1887-. <br/><br/>
Magnets / 
Louis W. McKeehan. 
 - Princeton :  D. Van Nostrand Company,  1967. 
 - vi, 152 p. :  ill. ;  20 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnets.