Details
A 19th-Century lacquered-brass theodolite,
signed J. Perfler in Wien No. 14, the telescope with rack and pinion focusing and graduated bubble, raised on twin supports from the vertical quadrant scale, with fine-screw adjustment, located with compass box over the horizontal circle, with silvered scale, vernier, two levels and tangent screw fine adjustment, on tripod attachment with three levelling screws and pad feet -- 10¼in. (26cm.) high
See Illustration
signed J. Perfler in Wien No. 14, the telescope with rack and pinion focusing and graduated bubble, raised on twin supports from the vertical quadrant scale, with fine-screw adjustment, located with compass box over the horizontal circle, with silvered scale, vernier, two levels and tangent screw fine adjustment, on tripod attachment with three levelling screws and pad feet -- 10¼in. (26cm.) high
See Illustration