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 Protractor Triangle
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.
Check out our other Plotting Tools.
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|  Protractor Triangle w/ Handle
| | Protractor Triangle
without handle
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 Clearance Sale
discounted items, take a LOOK. |
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