A 19th-Century brass compound monocular microscope, signed on the Y-shaped base Ja Smith London N 40, with rack and pinion focusing, micrometer fine adjustment, mechanical stage, sub-stage condenser, plano-concave mirror, curved body limb with compass joint raised on a tapering pillar support, with 0 Inch, 10 Inch and 0 Inch objectives by James Smith, lieberkuhn, 2 eyepieces and other items, in a mahogany cabinet with 12 drawers and recessed brass carrying handle - 19 7/8in. (50.5cm.) high.