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Phone: 586.727.8890         Fax: 586.727.5548         PO Box 610842, Port Huron, MI 48061


Optical Comparator Charts / Overlays

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General Purpose Chart with Protractor Edge

10 Series: Glass1 or Plastic2


Radius and Angle Chart

Glass1 or Plastic2



360 Combination Radius Chart

Glass1 or Plastic2



Grid and Radius Chart



Single Quadrant Radius Chart



360 Radius and Angle Chart