SELECTONE: FOUR COLOR PROCESS GUIDE.
- Washington, DC: Williams & Heintz Map Corporation, n.d.
- oblong 16mo.
- vinyl covers with metal spiral binding internally.
- (ii), 96 pages
Price: $35.00 other currencies
Order Nr. 121539
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.
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