A late 19th-Century English lacquered-brass Grace's-pattern spectroscope,
A late 19th-Century English lacquered-brass Grace's-pattern spectroscope,

A late 19th-Century English lacquered-brass Grace's-pattern spectroscope,

Details
A late 19th-Century English lacquered-brass Grace's-pattern spectroscope,
signed John Browning 63 Strand London and engraved Grace's Spectroscope, with adjustable prism via rack and pinion and turning wheel-operated draw-tube focusing, in the original shaped and plush-lined leatherette-covered case, the pale blue silk-lined lid with the gilt-tooled crest and maker's device for JOHN BROWNING -- 6½in. (16.5cm.) long

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