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Weems & Plath Protractor Triangle

W&P 103 Weems & Plath triangular protractor with or without handles allows you to slide one triangle along the other to the desired meridian or compass rose, using the protractor scales inscribed on all three sides, making it easy to align either the 90 or 45 degree angles.

#NWP103 List Price $14.99Only $10.99