細節
A fine 6 inch black enamelled and lacquered brass theodolite by T.COOKE & SONS Ltd London York & Cape Town No.9760, the telescope with rack and pinion focusing, the vertical circle with graduated bubble level, twin verniers and micrometer magnifiers, adjustment screws on twin A frame supports, the horizontal circle with cross bubble and graduated bubble level, twin verniers with micrometer magnifiers, tangent screw and clamp, on three screw tripod foot with further azimuth adjustment - 13½in high in two fitted wooden case