A lacquered brass binocular microscope signed Smith & Beck 6 Coleman St. London No 2675, rack and pinion eyepiece focusing, body tube focusing and screw fine focusing on nose piece, prism, square mechanical stage, plano-concave mirror on swinging arm and sliding collar, two pillar support with three flat legs fixed to brass disc with accessories in fitted mahogany case, mid 19th Century - 19¼in. high