細節
A late 19th-Century oxidised and lacquered-brass transit theodolite,
signed on the silvered compass dial T.B. Winter & Son, 21 Grey St. Newcastle-on-Tyne, the telescope with rack and pinion focusing, eyepiece with four sighting wire adjusters, lens hood and dust slide, graduated bubble-level, the axis with 6-inch vertical circle, with silvered scale, two verniers and magnifier, located on twin A-frames, with fine tangent-screw adjustment and clamp, mounted on the horizontal plate with level and cross-bubble, the compass box with silvered scale and edge-bar needle with jewelled cap on pivot with clamp, the chamfered silvered horizontal circle with twin verniers and single magnifier, tangent-screw fine adjustment and clamp, on four-screw tripod attachment, in the original maker's mahogany case -- 15¾in. (40cm.) wide, the interior with ivorine trade label for Winter & Son, and adjustment label by J. Halden & Co. Limited
See Illustration
signed on the silvered compass dial T.B. Winter & Son, 21 Grey St. Newcastle-on-Tyne, the telescope with rack and pinion focusing, eyepiece with four sighting wire adjusters, lens hood and dust slide, graduated bubble-level, the axis with 6-inch vertical circle, with silvered scale, two verniers and magnifier, located on twin A-frames, with fine tangent-screw adjustment and clamp, mounted on the horizontal plate with level and cross-bubble, the compass box with silvered scale and edge-bar needle with jewelled cap on pivot with clamp, the chamfered silvered horizontal circle with twin verniers and single magnifier, tangent-screw fine adjustment and clamp, on four-screw tripod attachment, in the original maker's mahogany case -- 15¾in. (40cm.) wide, the interior with ivorine trade label for Winter & Son, and adjustment label by J. Halden & Co. Limited
See Illustration