Four optical lenses moulded from a plastic material
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Four optical lenses moulded from a plastic material, probably perspex, Combined Optical Industries, England, United Kingdom, 1936-1937
Details
- Category:
- Optics
- Object Number:
- 1937-99
- Materials:
- perspex
- Measurements:
-
overall: .008kg
large oblong: 7 mm x 39 mm x 30 mm,
small oblong: 3 mm x 25 mm x 20 mm,
large circle: 4.5 mm 17 mm,
small circle: 1.5 mm 15 mm,
- type:
- lens - component
- credit:
- Combined Optical Industries Ltd.
