A 19th-Century lacquered-brass compound monocular microscope,
A 19th-Century lacquered-brass compound monocular microscope,

細節
A 19th-Century lacquered-brass compound monocular microscope,
signed on the limb Georges Oberhaeuser Place Dauphine 19, Paris, the underside of the stand with leather pad inscribed in ink 2736, with sliding-tube focusing, the circular stage with twin slide clamps, the drum-shaped base designed to rotate and incorporating an adjustable condenser and plano-concave mirror, with objectives in fitted green morocco leather-covered box numbered 2737, a bull's-eye condenser stand incorporating a wheel condenser, adjustable for angle and height, three eyepieces, a box of slide accessories, a box of slides, all contained in the original fitted mahogany travelling case -- 12.3/8in. (31.5cm.) high

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