細節
A black-enamelled and lacquered-brass theodolite,
signed T. Cooke & Sons York, the telescope with rack and pinion focusing, dust cap, cross-wire adjusters and dust slide, with trough compass, the enclosed vertical circle with silvered scale, two verniers, prismatic magnifiers and graduated bubble-level, the axis raised on two vertical supports, one incorporating a bubble-level, and mounted on the horizontal plate enclosing the horizontal circle with silvered scale and three verniers engraved A, B and C, on three-screw tripod attachment, with accessories, in mahogany case -- 11in. (28cm.) wide
See Colour Illustration
signed T. Cooke & Sons York, the telescope with rack and pinion focusing, dust cap, cross-wire adjusters and dust slide, with trough compass, the enclosed vertical circle with silvered scale, two verniers, prismatic magnifiers and graduated bubble-level, the axis raised on two vertical supports, one incorporating a bubble-level, and mounted on the horizontal plate enclosing the horizontal circle with silvered scale and three verniers engraved A, B and C, on three-screw tripod attachment, with accessories, in mahogany case -- 11in. (28cm.) wide
See Colour Illustration