Hoelscher, Randolph P. 1890- Engineering drawing and geometry / Randolph P. Hoelscher [and] Clifford H. Springer - New York : John Wiley, c1956 - Various pagings: ill. ; 28 cm. Includes index ISBN: USD 9.50 Subjects--Topical Terms: Mechanical drawingGeometry, descriptive Dewey Class. No.: 744.422