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LicensePair of telescopic spectacles (R Brown Pattern)
Science Museum Group
© The Board of Trustees of the Science Museum
Pair of telescopic spectacles (R Brown Pattern), steel frames with folding arms, fitted with single magnifying compound lens (25mm focal length), unsigned, European, 1825-1899.
Details
- Category:
- Optics
- Object Number:
- 1921-808/3
- Materials:
- steel (metal), glass and brass (copper, zinc alloy)
- Measurements:
-
closed: 34 mm x 114 mm x 32 mm, .029kg
- type:
- telescopic spectacles
