Magnifying spectacles
- PART OF:
- Three pairs of spectacles
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