Ciceri Smiths patent digital micrometer
Micrometer, Ciceri Smiths patent digital micrometer, brass instrument No 15, in original case.
Details
- Object Number:
- 1987-8384
- Materials:
- brass (copper, zinc alloy)
- Measurements:
-
installation: 4.75 x 1.75 x 0.75 in.; 120.65 x 44.45 x 19.05 mm
- type:
- micrometer
- credit:
- British Rail, Historical Relics