Spencer, Henry Cecil creator Giesecke, Frederick E. Giesecke, Frederick E. Hill, Ivan Leroy text New York Macmillan Pub. Co. c1991 9th ed. monographic v, 9 p., [104] l. illus. 28 cm. [by] Henry Cecil Spencer [and] Ivan Leroy Hill. "Intended primarily for use with Technical drawing (sixth edition, 1974) by Giesecke, Mitchell, Spencer, and Hill." Earlier ed. by F. E. Giesecke published under title: Technical drawing problems, series l. 0 0 0 604_200000000000000_GIE 0 0 0 604_200000000000000_GIE Mechanical drawing NUST / MCE 604.2 GIE 0.02-342770-1