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Collection
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Material
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1 Brass protractor. broken

One broken brass protractor

James Watt's Garret Workshop

1790-1819

Douglas type reflecting protractor, British, 1811-1825

Surveying

1811-1825

Douglas Combined Protractor and Parallel Rule

Aeronautics

1939-1945

Geostrophic wind protractor, designed by Lt Cdr Ge

Meteorology

1935-1945

Brass protractor, German, 1905-1914

Surveying

1905-1914

180-Degree Protractor

Mathematics

1870-1880

Douglas type reflecting protractor, German, 1811-1818

Surveying

1811-1818

Sandhurst protractor, boxwood, with contour equiva

Meteorology

Dancer Protractor

Mathematics

1860

Brass plane table protractor, British, 1821-1826

Surveying

1821-1826

Semi-circular protractor

Mathematics

180-Degree Protractor

Mathematics

1880-1910

Edye type protractor, British, 1843-1873

Surveying

1843-1873
Brass protractor, 360 degrees brass protractor engraved "W.H. Harling, London. James Tearse". In wooden case. 350mm diam.

Brass protractor

Tools of the Trade & Personal Accessories
Circular reflecting protractor and accessories by by William Cary, London, England,1801-1825

Circular reflecting protractor, British, 1801-1825

Surveying

1801-1825
Circular protractor, made by Joseph Casartelli.

Circular protractor

Mathematics

1875
Marking protractor, made by Abraham & Dancer.

Marking Protractor

Mathematics

1843