Folding opera glasses, French patent, in velvet case

PART OF:
Folding opera glasses, French patent, in velvet case
Made:
1850-1950 in Europe
Purple velvet case for folding pair of opera glasses, unsigned

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Purple velvet case for folding pair of opera glasses, unsigned
Science Museum Group
© The Board of Trustees of the Science Museum

Purple velvet case for folding pair of opera glasses, unsigned, Europe, 1850-1950

Details

Category:
Optics
Object Number:
1990-286/2
Materials:
leather, wood (unidentified), brass (copper, zinc alloy) and velvet
Measurements:
overall: .2456kg
case: 122 mm 50 mm,
type:
instrument case