拍品 196
196
An oxidised and lacquered brass theodolite, signed DAVIS LEEDS, with rack and pinion focusing, bubble level, in cradle over vertical half circle with silvered scale and vernier, tangent screw and clamp, over compass box with needle, bubble and cross bubble, horizontal circle with twin magnifiers, tangent screw and clamp, on three screw tripod mount - 10¾in.high

细节
An oxidised and lacquered brass theodolite, signed DAVIS LEEDS, with rack and pinion focusing, bubble level, in cradle over vertical half circle with silvered scale and vernier, tangent screw and clamp, over compass box with needle, bubble and cross bubble, horizontal circle with twin magnifiers, tangent screw and clamp, on three screw tripod mount - 10¾in.high