Beck's patent protractor

Beck's patent protractor; brass; in mahogany case 13 3/16" x 4 1/2" x 1 5/8"

Details

Category:: Mathematics

Object Number:: 1917-88

Materials:: brass, mahogany and complete

type:: drawing instruments and circular protractors

credit:: Thomas H. Court

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Parts

Case for Beck's patent protractor

Mahogany case for Beck's patent protractor; brass; 13 3/16" x 4 1/2" x 1 5/8"

Materials:: mahogany

Object Number:: 1917-88 Pt1

type:: instrument case