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LicenseFrame micrometer made by Messrs
Science Museum Group
© The Board of Trustees of the Science Museum
Frame micrometer made by Messrs. Troughton and Simms; vernier scales in metric and inches.
Details
- Category:
- Industrial Metrology
- Object Number:
- 1956-214
- type:
- micrometer
- credit:
- Board of Trade
