A 19th-Century lacquered brass Baker-type compound monocular microscope, unsigned, the body tube located on a Ross-type arm with double nose-piece, rack and pinion coarse focusing with fine adjustment, mechanical stage, sub-stage condenser and plano-concave mirror, the massive limb with axis raised on twin supports from the Y-shaped base, with 4 eyepieces, 2 objectives, bull's-eye condenser, frog plate and other items, in exhibition pattern glazed mahogany case with twin side carrying handles - 23 7/8in. (60.7cm.) high.