细节
An early 19th-Century lacquered-brass Jones's Most Improved pattern compound monocular microscope,
signed on the folding tripod stand Wm, Harris & Son, 50, High Holborn, LONDON, the body-tube located on an arm, with one objective, the stage adjustable by rack and pinion motion, additionally in azimuth, with condenser lens and plano-concave mirror, with compass joint raised on a tapering pillar support, with two accessories in non-original mahogany case -- 13½in. (34.2cm.) wide
See Illustration
signed on the folding tripod stand Wm, Harris & Son, 50, High Holborn, LONDON, the body-tube located on an arm, with one objective, the stage adjustable by rack and pinion motion, additionally in azimuth, with condenser lens and plano-concave mirror, with compass joint raised on a tapering pillar support, with two accessories in non-original mahogany case -- 13½in. (34.2cm.) wide
See Illustration