Details
An early 19th-Century brass part theodolite,
signed on the horizontal plate Bate, London, the vertical half-circle with silvered scale divided 90°-50°, with vernier, tangent-screw fine adjustment and clamp, the axis raised on twin V-supports over the compass box with edge-bar needle, level and cross bubble, the horizontal silvered scale with two verniers, on four-screw tripod attachment, overall height -- 7¾in. (19.7cm.)
signed on the horizontal plate Bate, London, the vertical half-circle with silvered scale divided 90°-50°, with vernier, tangent-screw fine adjustment and clamp, the axis raised on twin V-supports over the compass box with edge-bar needle, level and cross bubble, the horizontal silvered scale with two verniers, on four-screw tripod attachment, overall height -- 7¾in. (19.7cm.)