A Bench micrometer-head from a bench type measuring machine
A Bench micrometer-head from a bench type measuring machine,made 1924, by the N.P.L.
- Materials:
- cast steel ,bronze and hardened steel
- Object Number:
- 1981-770/1
- type:
- micrometer and instrument component
- Image ©
- The Board of Trustees of the Science Musuem