English nickel-plated brass spectacles with thick D-shaped lenses

English nickel-plated brass spectacles with thick D-shaped

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English nickel-plated brass spectacles with thick D-shaped
Science Museum Group
© The Board of Trustees of the Science Museum

English nickel-plated brass spectacles with thick D-shaped lenses and D-shaped hinged glass sides for protection against shot, c. 1880.

Details

Category:
Optics
Object Number:
1921-323/218
Materials:
metal (unknown), copper (alloy), brass (copper, zinc alloy), nickel plated and glass
Measurements:
overall (closed): 40 mm x 125 mm x 35 mm, , .015kg
type:
protective spectacles
credit:
Dunscombe collection of spectacles