Details
A green-enamelled and lacquered-brass theodolite,
by Troughton & Simms London, the telescope with rack and pinion focusing, graduated bubble level, four cross-wire adjusters, the eyepiece with rack and pinion vertical motion, the axis incorporating the 6-inch vertical circle with silvered scale divided in four quadrants, twin verniers with magnifiers and bubble level, raised on twin A-frame supports with tangent screw fine adjustment and clamp, the enclosed horizontal circle with silvered scale, twin verniers and folding magnifiers, with bubble level and tangent screw tensioner for fine adjustment, the lower face with trough compass and clamp, on three-screw tripod attachment, with some accessories, in fitted teak carrying case with twin carrying handles -- 25in. (63.5cm.) wide
See Colour Plate 7
by Troughton & Simms London, the telescope with rack and pinion focusing, graduated bubble level, four cross-wire adjusters, the eyepiece with rack and pinion vertical motion, the axis incorporating the 6-inch vertical circle with silvered scale divided in four quadrants, twin verniers with magnifiers and bubble level, raised on twin A-frame supports with tangent screw fine adjustment and clamp, the enclosed horizontal circle with silvered scale, twin verniers and folding magnifiers, with bubble level and tangent screw tensioner for fine adjustment, the lower face with trough compass and clamp, on three-screw tripod attachment, with some accessories, in fitted teak carrying case with twin carrying handles -- 25in. (63.5cm.) wide
See Colour Plate 7