Wellman, Bernard Leighton, 1908- Wellman, Bernard Leighton, 1908- Technical descriptive geometry. - 2nd ed. - New York : McGraw-Hill, 1957. First published 1948. LCCN: 56008872 /L Subjects--Topical Terms: Geometry, Descriptive. LC Class. No.: QA501 / .W4 1957 Dewey Class. No.: 515