A fine lacquered brass monocular microscope by Ross,

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A fine lacquered brass monocular microscope by Ross,
signed on the base A. Ross London No. 455, with two eyepieces, four various objectives, coarse and fine focussing, mechanical stage and sub-stage condenser, sub-stage mirror and double-fronted mahogany case -- 12½in. (32cm.) high, late 19th century

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