12x HALFTONE/LINE SCREEN SCALE SET Important tool for printers and graphic artists to check line screen output in both B/W and color printing, to check gradation and magnification of tones. Screen angles and screen alignment. Reticle has 8 LPI (lines per inch) scales: 65, 85, 133, 150, 175, 50-100-200, 55-110, 60-120 12x MAGNETIC INK SCALE SET An important tool in magnetic ink printing field. Checks character skew, width, coverage, and voids against American Banking Association tolerance. Scales include comparative brackets and linear scales. 9x GRAPHICS ARTS MULTI-SCALE TYPE-SPACING-SCREENS SET This multi-scale reticle is crammed with scales for type, scaping and screen measurements. Because of the full coverage of the reticle field, a maximum of 9X magnification is possible. Two linear scales: 0 to 48 points in 1/2 pt. increments and 0 to 0.5" with 0.01" and 0.05" increments; point brackets 1/4,1/2,1,11/2,2,3,4,5,6; screen scales 65,85,133,150,175,60-120,55-110,50-100-200. 12x PRINTER'S TYPE POINT AND RULE SCALE SET For printers and graphic artists to measure type amd rule size in the printing process. Helpful for typeface identification and to measure ascenders and descenders. Scale has comparative brackets for most typical type points: 1/4,1/2,1,11/2,2,3,4,5,6 and a linear scale from 0 to 48 points in 1/2 pt. increments. 12x ENGLISH/METRIC STRAIGHT LINE COMPARISON SCALE SET Versatile measurement, straight line scale with metric and inch scales. Metric top line 0 to 15mm in 0.1mm increments. English bottom line 0 to 0.60" in 0.01" increments. 9x LINEAR MEASUREMENT SCALE SET Straight line scales for critical measurement in either English (inch) or metric. English/inch: 0 to 0.75" scale in 0.005" increments, numbered every 0.025 increments. Metric: 0 to 20mm scale in 0.1mm increments, numbered every 1.0mm