Levens, A.S. <br/><br/>
Graphics  with an introduction to conceptual design/ 
A.S. Levens 
 - New York:  John Wiley,  c1962 
 - x, 743 p.:  ill.;  24 cm. 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mechanical drawing<br/>Engineering drawing<br/>Structural drawing<br/>Graphic methods
<br/><br/><label>Dewey Class. No.: </label>744.422