Horizontal optical comparator
- Made:
- 1940-1945
- maker:
- Troughton and Simms Limited
Horizontal optical comparator made by Troughton and Simms: 1940-1945
Details
- Category:
- Industrial Metrology
- Object Number:
- 2001-781
- Measurements:
-
machine: 23.622 x 27.5591 x 11.811 in.; 600 x 700 x 300 mm
- type:
- comparator
- credit:
- Wimbold, Dr. Graham