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
Materials:
steel and wood
Measurements:
machine: 23.622 x 27.5591 x 11.811 in.; 600 x 700 x 300 mm
type:
comparator
credit:
Wimbold, Dr. Graham