Reduced to two-thirds of original size

Courtesy of The Rrgfrntriner Corporation. Chica(o. Illinoit

A. Relief Printing -- Halftone Cross Section.

In relief or letterpress printing, the image to be printed is above the surface. The raised portions of the plate represent the image to be printed; they are inked by the rollers and give off the ink by contact with paper.

The illustration to the left it a reduction of the material on the opposite page.

See key to lettering for lantern slides on page 408.

Courteiy of The Regentteiner Corporation, Chicago, Illinoia.

B. Planographic Printing- Lilhographic Plate.

In planographic printing the image is on the surface, it is ink attracting, while the non-printing areas are made chemically ink-repelling.

Courteiy of The Regeniteiner Corporation, Chicago, Illinoit

C. Intaglio Printing- Enlarged Gravure Plate.

In intaglio or gravure printing the image is below the surface.

GRAPHIC PRESENTATION

PROOF- READERS MARKS

It is imperative that corrections should be marked on the margins of a proof sheet opposite the indicated errors. Do not attempt to make a correction by writing over the print or between the lines. Errors marked in this way are in danger of being overlooked and are generally illegible.

Proofs read by authors or department readers should be marked to conform to the style as illustrated at the right.

9 Period.

i

CommA.

-

Hyphen.

Colon.

Semicolon. Apostrophe.

<^W^ Quotations.

Id

Em quadrat.

Si.

One-em daah.

Two-em parallel daah.

/

Push down space.

o

Close up.

•

Less space.

Caret-- left out, insert.