Westcott Magnifying Rulers center section magnifies one line at a time., 1 edge ruled in 1/16 scale, the other centimeters., Magnified portion
Westcott® Magnifying Ruler, 15 Long, Acrylic, Clear
This is used. It may have marks, scratches, fading, etc. see all photos for exact condition.
Westcott 15 Data Processing Magnifying Ruler, Clear
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School Source
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