Folding opera glasses, French patent, in velvet case
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LicensePurple 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
