Brass Protractor and Scale Rule

Description:

Brass Protractor and Scale Rule, with semi-circular scale of degrees 0-180, 180-360 and 180-0, linear scale with transversal grids, and stamped owner's initials I.M., diam. 5 1/2 in., in shaped fruitwood case with newspaper lining.

Note: The fragment of newspaper discusses Lincoln'e intentions and "Southern character" in the Civil War.
Estimate $300-500

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