A late 19th-Century lacquered and oxidised-brass compound monocular microscope,

細節
A late 19th-Century lacquered and oxidised-brass compound monocular microscope,
by W. WATSON & SONS, 313 High Holborn, London, No. 5219, with rack and pinion coarse and micrometer fine focusing, graduated draw-tube, triple nose-piece, mechanical stage, sub-stage condenser and plano-concave mirror, the tripod stand with fittings for cork feet, with various accessories, in mahogany case with leather carrying handle -- 15¾in. (40cm.) high

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