Pacific Arc
Ames Lettering Guide

A useful device for drawing lettering guidelines. Has metric calibrations ranging from 2 to 10 millimeters and 3 standard lettering heights in U. S. drawings (3.08, 6.1, 9.75mm) specifically indicated. Sides are at 68 for drawing guidelines for slanted letters and 90 for drawing guide lines for vertical lettering. Directions included.