Magnifying ruler is designed for use with computer printouts. Center section isolates and magnifies one line at a time. One edge of the ruler is ruled in an Imperial scale with 1/16" increments, and the other edge is scaled in centimeters. The magnified portion is ruled in 1/16" on one side and centimeters on the other. Other two scales along the center section correlate with horizontal and vertical printout columns. Numerals and graduations are sharply delineated. Ruled in 1/16", 1/10", 1/6" and millimeter increments.
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