Keylines definitions

Keylines

Lines on a mechanical or negative showing the exact size, shape, and location of photographs or other graphic elements.
Found on http://www.e-printing.co.uk/glossary.htm

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Keylines

Lines on a mechanical or negative showing the exact size, shape and location of photographs or other graphic elements. Also called holding lines.
Found on https://www.encyclo.co.uk/local/20631

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