Line engraving will not reproduce tone values.

Where lines and tone etlects (as in meMOlint) :ire fine, use a fine-xrreen nipper halflone.

Halflone: Coarse screens for rough papers: fine screens on copper for smooth papers.

Two-, three-, four-, five-, etc., color process, dejiending upon ttature of copy and fineness of work required.

line engraviiif^i for caih of the 2. J. or more colors will produce a grc.ii variety of tones by overprinting of areas, either solid or shaded to different decrees

Line engraving will not reproduce tone values.

Halftone is unsuite«l as it would make a "pattern." Line engraving .ilone unsuitcd unless time is on original art work by use ol Bourges screiiis. Craf-tint, Prcs-.i -Tin t . or other iiiclhod.

Line engraving unsuited unless technique is quite bold and simple.

If use of dry bnuh produces solid black stippled dots, line engras itig ran l)e used.

In certain cases, use of color filters is required to preserve tonal relations of original.

Stippling or ruling can be done by hand, rather than by a mechanical shading method.

Use coarse ■ screen halftone only if to be used on nesvsprint or rough paper.

Line engraving will produce tones

Line engraving will not reproiluce tones.

If photograph shows only solid areas of black-andwhite, or lines and no tones, a line engraving may be used.

Color process plates mav be used in < on junction with additional flat tints for special effects.

Halftones unsuited, as they form an iMulesirable "pattern" and hre.ik up the solid areas