Young, G. B. <br/><br/>
Magnetic crack-detection; : notes on working principles and use of apparatus, 

 - London  Charles Griffin & Co  1942 
 - vi, 60 p. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Magnetic Testing
<br/><br/><label>Dewey Class. No.: </label>620.18  / Y681