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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 simple lens (64mm focal length), unsigned, European, 1825-1899.
Details
- Category:
- Optics
- Object Number:
- 1921-808/2
- Materials:
- steel (metal), brass (copper, zinc alloy) and glass
- Measurements:
-
closed: 19 mm x 117 mm x 33 mm, .025kg
- type:
- telescopic spectacles
