Gregory, Edwin. <br/><br/>
The heat-treatment of steel / 
Edwin Gregory and Eric N. Simons. 
 - London :  Pitman,  1947. 
 - x, 358 p. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/>319  319 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Heat-treatment.
<br/><br/><label>Dewey Class. No.: </label>669.18 / G862h