拍品 73
73
A grey-blue enamelled, and lacquered brass transit theodolite, unsigned, but of Stanley pattern, the telescope with rack and pinion focusing, ray-shade, dust-slide and four cross-wire adjusters, the axis with vertical circle, the silvered scale divided in four quadrants with twin verniers and graduated bubble level, raised on a massive aluminium supports with fine-screw adjustment, the horizontal plate with graduated level chamfered silver circle with twin-verniers and magnifiers, on three-screw tripod mounting with trough compass and othere accessories, in fitted mahogany case 22½in. (57.2cm.) wide See illustration

細節
A grey-blue enamelled, and lacquered brass transit theodolite, unsigned, but of Stanley pattern, the telescope with rack and pinion focusing, ray-shade, dust-slide and four cross-wire adjusters, the axis with vertical circle, the silvered scale divided in four quadrants with twin verniers and graduated bubble level, raised on a massive aluminium supports with fine-screw adjustment, the horizontal plate with graduated level chamfered silver circle with twin-verniers and magnifiers, on three-screw tripod mounting with trough compass and othere accessories, in fitted mahogany case 22½in. (57.2cm.) wide See illustration