00556cam a2200181 7i4500 0000003659 20061117090000.0 20020514000000.0 xx 00010 eng TA175 .L4 1962 Levens Graphics : with an introduction to conceptual design A. S. Levens. New York: John Wiley, 1962. x,743p.: ill; 25 cm. Includes index Design, Industrial Engineering drawings 0000000477 Book Open Shelf HQ Library