A fine lacquered brass monocular microscope, signed Smith & Beck 6 Coleman St. London 1337, with rack and pinion focusing, micrometer fine focusing screw, triple nosepiece, square mechanical stage, sub-stage condenser, with rack and pinion adjustment, plano-concave mirror on sliding collar with swivel arm, tapered pillar stand to flat tripod foot in fitted mahogany case with accessories

細節
A fine lacquered brass monocular microscope, signed Smith & Beck 6 Coleman St. London 1337, with rack and pinion focusing, micrometer fine focusing screw, triple nosepiece, square mechanical stage, sub-stage condenser, with rack and pinion adjustment, plano-concave mirror on sliding collar with swivel arm, tapered pillar stand to flat tripod foot in fitted mahogany case with accessories