Details
A transit theodolite body
by W. & L. Gurley, Troy, N.Y., with screw fine adjustment to horizontal and vertical scales, silvered compass dial and scales, four-screw mounting and mahogany tripod, late 19th century (lacking telescope) (2)
by W. & L. Gurley, Troy, N.Y., with screw fine adjustment to horizontal and vertical scales, silvered compass dial and scales, four-screw mounting and mahogany tripod, late 19th century (lacking telescope) (2)