Douglas type reflecting protractor, British, 1811-1825

Made:: 1811-1825 in London

maker:: Howard Douglas and Cary family

Douglas type reflecting protractor without caseby the Cary

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Douglas type reflecting protractor without caseby the Cary
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© 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.

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Douglas type reflecting protractor, British, 1811-1825

Details

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