A (?) late 18th-century lacquered brass Jones's Most Improved Compound Monocular microscope, signed on the body-tube W & S, JONES, 30 Holborn, London, the body-tube located on a limb with friction nut, the stage with sliding pillar and fine screw adjustment, with large plano-concave mirror, the arms-of the folding tripod stand of tapering form, with eared accessory stage, five objectives, frog plate leberkuhn bull's-eye condenser and other items in green-plush lined and fitted mahogany case 13¾in. (35cm.) wide