细节
HAMMERSLEY, London
An oxidised and lacquered-brass transit theodolite, the telescope with bubble-level, rack-and-pinion focusing and cross-wire adjustment, trunnion mounted with horizontal circle with twin verniers and magnifiers, on twin A-frames with bubble-level, over compass box with engraved silvered-dial signed Hammersley, Islington, London, edge-bar needle and clamp, vertical silvered-dial with twin verniers, on three-screw tripod mount -- 15½in.(38.5cm.)high, eye-piece incomplete, lacking lens cover and one bubble-level, in fitted mahogany case
An oxidised and lacquered-brass transit theodolite, the telescope with bubble-level, rack-and-pinion focusing and cross-wire adjustment, trunnion mounted with horizontal circle with twin verniers and magnifiers, on twin A-frames with bubble-level, over compass box with engraved silvered-dial signed Hammersley, Islington, London, edge-bar needle and clamp, vertical silvered-dial with twin verniers, on three-screw tripod mount -- 15½in.(38.5cm.)high, eye-piece incomplete, lacking lens cover and one bubble-level, in fitted mahogany case