Douglas type reflecting protractor, British, 1811-1825

Douglas type reflecting protractor without caseby the Cary

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

Buy this image as a print 

Buy

License this image for commercial use at Science and Society Picture Library

License

Douglas type reflecting protractor without caseby the Cary
Science Museum Group
© The Board of Trustees of the Science Museum

Douglas type reflecting protractor without caseby the Cary family, London, England, 1811-1825.

Details

Category:
Surveying
Object Number:
1901-75
Materials:
brass (copper, zinc alloy) and glass
Measurements:
overall: 37 mm x 155 mm x 110 mm, .305kg
type:
protractor
credit:
Robottom, L.M.