180-Degree Protractor

Made:: 1870-1880 in unknown place

Unsigned semi-circular protractor, c.1870

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180-Degree Protractor
Science Museum Group
© The Board of Trustees of the Science Musuem

Unsigned semi-circular protractor, c.1870
Science Museum Group Collection
© The Board of Trustees of the Science Museum

Unsigned semi-circular protractor.

Details

Category:: Mathematics

Object Number:: Y1992.143.3

Materials:: brass (copper, zinc alloy)

Measurements:: overall: 2 mm x 1218 mm x 109 mm,

type:: protractor

credit:: Purchased From J.R. Parkinson Son & Hamer Auctions

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180-Degree Protractor

Details

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