Weems and Plath Protractor Triangle with Handle

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This triangle is inscribed with contrast enhancing colors making it easier to use
With its protractor scales the triangle is easily aligned in any direction with a chart meridian

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This triangle is inscribed with contrast enhancing colors making it easier to use. Using two 45 triangles provides an easy method of plotting and performing chart work. With its protractor scales the triangle is easily aligned in any direction with a chart meridian. Direction is maintained as one triangle is slid along the other to the desired position. Durable clear vinylite. Short sides 7-1/2-".08-" thick.

This triangle is inscribed with contrast enhancing colors making it easier to use
With its protractor scales the triangle is easily aligned in any direction with a chart meridian

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