A lacquered brass monocular microscope, signed Bausch & Lamb Optical Co New York Rochester N.Y. Chicago No. 33699, with rack and pinion focusing, micrometer fine focusing, graduated draw tube, double nose-piece, square stage, sub-stage condenser, knuckle joint to limb, mirror with swinging arm and slide, on 'Y' shaped foot, with accessories in fitted mahogany case - 14½in. (37cm.) high.