Details
An oxidised and lacquered-brass theodolite,
signed on the horizontal plate Duncan Campbell & Son, Glasgow, the telescope with rack and pinion focusing, graduated bubble level, lens hood with dust slide, cross-wire fine adjusters, the axis with vertical circle mounted on twin supports and graduated in four quadrants with silvered scale, twin verniers and magnifiers, one vertical support with bubble level, the enclosed horizontal chamfered silvered scale with twin verniers and associated folding magnifiers, additional graduated bubble level and tangent-screw fine adjustment, fitted with a trough compass, on three-screw tripod attachment, with accessories in the original fitted mahogany case -- 13 7/8in. (35.3cm.) wide
See Colour Illustration
signed on the horizontal plate Duncan Campbell & Son, Glasgow, the telescope with rack and pinion focusing, graduated bubble level, lens hood with dust slide, cross-wire fine adjusters, the axis with vertical circle mounted on twin supports and graduated in four quadrants with silvered scale, twin verniers and magnifiers, one vertical support with bubble level, the enclosed horizontal chamfered silvered scale with twin verniers and associated folding magnifiers, additional graduated bubble level and tangent-screw fine adjustment, fitted with a trough compass, on three-screw tripod attachment, with accessories in the original fitted mahogany case -- 13 7/8in. (35.3cm.) wide
See Colour Illustration