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Pivot eyeglasses with double-action patent spring
- Made:
- 1854

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Tortoiseshell pivot eyeglasses with double-action patent(?) spring. Frame is broken. Dated 1854.
Details
- Category:
- Optics
- Object Number:
- 1921-323/260
- Materials:
- tortoiseshell and complete
- Measurements:
-
overall: 80 x 35 mm
- type:
- hand spectacles
- credit:
- Dunscombe collection of spectacles