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0.3" x 0.4"grid in 0.025" squares.
Two Horizontal Scales; 0.4" with 0.005" divisions, and 20mm with 0.1mm divisions.
Angle scale 0° to 90° in 1° increments.
Radius scale 1-10mm.
Nine circles from 0.1mm to 3mm diameter.
Copyright 2020, Edmund Optics Inc., 101 East Gloucester Pike, Barrington, NJ 08007-1380 USA