Rule, John T. Engineering graphics / [by] John T. Rule [and] Earle F. Watts. - First edition - 298 pages : illustrations ; 24 cm. LCCN: 51005996 Nat. Bib. No.: GB51-9904 Subjects--Topical Terms: Graphic methods.Geometry, Projective.Drawing-room practice. LC Class. No.: QA90 / .R78 Dewey Class. No.: 604.2