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LicenseSafety spectacles to BS 2092, with toughened lenses
Science Museum Group
© The Board of Trustees of the Science Museum
Safety spectacles to BS 2092, with toughened lenses, and 30 segment bifocals, unsigned, England, United Kingdom, 1965-1975
Details
- Category:
- Optics
- Object Number:
- 1983-706
- Materials:
- steel (metal), brass (copper, zinc alloy) and plastic (unidentified)
- Measurements:
-
overall (closed): 28 mm x 140 mm x 60 mm, .0554kg
- type:
- protective spectacles
- credit:
- Wigmore, V.
