Semi-circular protractor 12-inch

Made:
1720-1753 in London
maker:
Thomas Heath
SMG00031928

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SMG00031928
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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