Tilt finder by Barr and Stroud, for use with plott

Made:
1927
maker:
Barr and Stroud

Tilt finder by Barr and Stroud, for use with plotter 1932-464 and Thompson plotter 1930-248, c. 1927

Details

Category:
Surveying
Object Number:
1938-119
credit:
War Office