細節
A 19th-Century lacquered-brass compound monocular microscope,
signed on the stand NACHET ET FILS 17 rue St Séverin Paris, the body-tube and extension piece with rack and pinion focusing, circular stage with two sprung slide clamps, the axis raised on two tapering pillar supports, the lower limb with sub-stage condenser mounting and plano-concave mirror, with some accessories including eyepieces and objectives, in purple plush-lined brass-mounted mahogany carrying case -- 15.3/8in. (39cm.) wide
See Colour Illustration
signed on the stand NACHET ET FILS 17 rue St Séverin Paris, the body-tube and extension piece with rack and pinion focusing, circular stage with two sprung slide clamps, the axis raised on two tapering pillar supports, the lower limb with sub-stage condenser mounting and plano-concave mirror, with some accessories including eyepieces and objectives, in purple plush-lined brass-mounted mahogany carrying case -- 15.3/8in. (39cm.) wide
See Colour Illustration