Bentley, Wallace <br/><br/>
Sketches of engine and machine details : 

 - 9th ed. 
 - London :  Bentley Publishing,  1940. 
 - 127 p. :  ill. ;  22 cm. 
<br/><br/> Includes index. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering drawings<br/>Engine components—Sketches<br/>Technical illustration in engineering
<br/><br/><label>Dewey Class. No.: </label>621.815 BEN