Details
A brass theodolite,
by Troughton & Simms, the telescope with rack and pinion focusing, object glass dust cap and micrometer adjustment to the eyepiece, the 6in. vertical circle with bubble level, silvered scale, twin verniers and magnifiers, with tangent-screw fine adjustment and clamp, supported on two A-frames over the horizontal plate incorporating the compass box with edge-bar needle, the horizontal chamfered silvered scale with two verniers (magnifiers missing), with cross bubble, tangent-screw fine adjustment and clamp on tripod attachment with three adjustable screw feet -- 14in. (36.2cm.) high
See Illustration
by Troughton & Simms, the telescope with rack and pinion focusing, object glass dust cap and micrometer adjustment to the eyepiece, the 6in. vertical circle with bubble level, silvered scale, twin verniers and magnifiers, with tangent-screw fine adjustment and clamp, supported on two A-frames over the horizontal plate incorporating the compass box with edge-bar needle, the horizontal chamfered silvered scale with two verniers (magnifiers missing), with cross bubble, tangent-screw fine adjustment and clamp on tripod attachment with three adjustable screw feet -- 14in. (36.2cm.) high
See Illustration