Two single-arm protractors

Made:: 1876 in London

manufacturer:: W F Stanley and Company Limited

Two brass single-arm protractors divided in half degrees and reading by vernier to one minute of arc. Arm projects 3 inches beyond circle

Details

Category:: Mathematics

Object Number:: 1876-640

type:: drawing instruments and semi-circular protractors

credit:: W.F. Stanley and Company

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Two single-arm protractors

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