Edye type protractor, British, 1843-1873

Edye's protractor for converting angled distances to level Edye type protractor, British, 1843-1873

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Creative Commons LicenseThis image is released under a CC BY-NC-SA 4.0 Licence

Buy this image as a print 

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Edye's protractor for converting angled distances to level
Science Museum Group
© The Board of Trustees of the Science Museum

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

Edye's protractor for converting angled distances to level distances, unsigned, British, 1843-1873 (?).

Details

Category:
Surveying
Object Number:
1909-209
Materials:
brass (copper, zinc alloy)
Measurements:
overall: 12 mm x 482 mm x 257 mm, 2.88kg
type:
protractor
credit:
Board of Admiralty