細節
An early 19th-Century lacquered-brass Jones's Most Improved compound monocular microscope,
signed on the folding tripod stand W & S JONES, 30 Holborn London, the body-tube located on an arm with friction clamp, the stage with rack and pinion adjustment from the square-section pillar incorporating the sub-stage condenser and plano-concave mirror, with compass joint on tapering pillar support from the tripod base, with a range of accessories including frog-plate, geared stage, rotating objective plate, in fitted mahogany case with brass carrying handle -- 12in. (30.5cm.) wide
See Illustration
signed on the folding tripod stand W & S JONES, 30 Holborn London, the body-tube located on an arm with friction clamp, the stage with rack and pinion adjustment from the square-section pillar incorporating the sub-stage condenser and plano-concave mirror, with compass joint on tapering pillar support from the tripod base, with a range of accessories including frog-plate, geared stage, rotating objective plate, in fitted mahogany case with brass carrying handle -- 12in. (30.5cm.) wide
See Illustration