Details
An oxidised-brass French surveying graphometer,
unsigned, with silvered scales, compass, the limb and alidade with sights, with ball-and-socket staff mounting, in walnut case with iron carrying handle -- 9in. (24cm.) wide; and an optical square with case (defective)
See Illustration (Part Lot)
unsigned, with silvered scales, compass, the limb and alidade with sights, with ball-and-socket staff mounting, in walnut case with iron carrying handle -- 9in. (24cm.) wide; and an optical square with case (defective)
See Illustration (Part Lot)