Pair of compensation bars and accessories - two trestles

Made:
1920-1950 in United Kingdom

Pair of compensation bars and accessories - two trestles, microscope, two tripods, two microscope supports, plus screws and foot plates, unknown maker, British, 1920-1950

Details

Category:
Surveying
Object Number:
1990-229
type:
bar
credit:
Ordnance Survey