Abstracts from Time Series Charts. A Manual of Design and Construction, 1938, prepared by Committee on Standards for Graphic Presentation, under procedure of American Standards Association, with The American Society of Mechanical Engineers as sfKDnsor body.

LETTER SIZES

Elite Type - 12 characters per inch Pica Type - 10 characters per SMALL GOTHIC - 9 CHARACTER

LARGE GOTHIC - 9 CHARACTER .120" TEMPLATE LETTERING J40"TEMPLATE LETTERING

.175" TEMPLATE LET!

.240" TEMPLATE

LINE WEIGHTS POINT -- ^^--

3 POINT 2^2 POINT 2 POINT I '/2 POINT I POINT 3^ POINT I/O POINT

Original Size

Note: A point, in printer's measure, is opproximately 1/12 of a pice, which, in turn is 1/6 of on inch. Therefore, a printer's point is opproximately 1/72 inch.

METHODS OF PRINTING

LETTER SIZES

Bllt* Typ* - 12 oharftctars p«r inch Pica Type - 10 characters per SMALL GOTHIC - 9 CHARACTER

LARGE GOTHIC - 9 CHARACTER .120" TEMPLATE LETTERING .I40"TEMPLATE LETTERING

.175" TEMPLATE LET!

.240" TEMPLATE

LINE WEIGHTS POINT ^-- ^^^--

3 POINT 2'/^ POINT 2 POINT I '/2 POINT I POINT 3^ POINT 1/9 POINT

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.