Semi-circular protractor 12-inch

Made:: 1720-1753 in London

maker:: Thomas Heath

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SMG00031928
Science Museum Group
© The Board of Trustees of the Science Museum

Semi-circular protractor 12-inch, by T. Heath, 1720-1753.

Details

Category:: Mathematics

Object Number:: 1928-941

Materials:: brass (copper, zinc alloy)

Measurements:: overall: 2 mm x 303 mm x 75 mm, 0.32 kg

type:: drawing instruments and semi-circular protractors

credit:: Thomas H. Court

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Semi-circular protractor 12-inch

Details

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