Optical rule, plastic, probably British, 1950-1970
- Made:
- 1950-1970
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Science Museum Group
© The Board of Trustees of the Science Museum
Optical rule, plastic, probably British, 1950-1970
Details
- Category:
- Ophthalmology
- Object Number:
- 1987-590
- Materials:
- plastic
- Measurements:
-
overall: 3 mm x 227 mm x 37 mm, .01 kg
- type:
- optical rules
- credit:
- Christie's South Kensington Limited
