Frame micrometer no. 30 by Troughton and Simms
- maker:
- Troughton and Simms Limited
This image is released under a CC BY-NC-SA 4.0
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LicenseFrame micrometer no
Science Museum Group
© The Board of Trustees of the Science Museum
Frame micrometer no. 30 by Troughton and Simms, ex War Department, measures in mm and inches and uses a vernier scale, in wooden box, 1 5/16 x 2 15/16 x 5 7/8 inches
Details
- Category:
- Industrial Metrology
- Object Number:
- 1970-218
- Materials:
- brass (copper, zinc alloy)
- Measurements:
-
overall: 50 mm x 75 mm x 150 mm, 1kg
- type:
- micrometer
- credit:
- Hurren, S.A.
