A lacquered-brass and black-enamelled nephoscope,

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A lacquered-brass and black-enamelled nephoscope,
signed on the tripod stand F. Barker & Son., Makers, London, with shaded glass surface plate, engraved horizontal circle, rack and pinion vertical pointer adjustment on tapering pillar support, the stand with three adjustable screw feet, with universal bubble-level, in mahogany case -- 9in.(23cm.) wide

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