Optical opposite, British, 1840-1850

Made:
1840-1850 in London
maker:
Adie, Patrick
Optical opposite by Adie, London, England, mid 19th century

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Optical opposite by Adie, London, England, mid 19th century
Science Museum Group
© The Board of Trustees of the Science Museum

Optical opposite by Adie, London, England, mid 19th century

Details

Category:
Surveying
Object Number:
1911-152
Materials:
brass (copper, zinc alloy), glass, leather, iron and felt
Measurements:
overall: 37 mm 30 mm, .07kg
type:
surveying instrument
credit:
Court, Thomas Henry