SELECTONE: FOUR COLOR PROCESS GUIDE
- SIGNED vinyl covers with metal spiral binding internally
- Washington, DC: Williams & Heintz Map Corporation, n.d.
Washington, DC: Williams & Heintz Map Corporation, n.d.. vinyl covers with metal spiral binding internally. Color. oblong 16mo. vinyl covers with metal spiral binding internally. (ii), 96 pages. Introduction notes that this work with 133 line screens in 10 percent increments of each color. General instructions. With two color isolating masks. Printed on recto only.