GRACE'S SPECTROSCOPES

07-023A. GRACE'S SPECTROSCOPE IN SHAPED CASE BY JOHN BROWNING

English, 4th quarter 19th century, signed in script "Grace's Spectroscope" and "John Browning, 63 Strand, London." Made of lacquered brass, 5 3/4" long x 7/8" diameter, with a knurled ring for slit adjustment and focussing by a knurled knob operating an eccentric arm. The spectroscope is in very good overall condition in its original leather covered shaped case.

Price...................................................$550

07-023B. GRACE'S SPECTROSCOPE IN FITTED CASE (unsigned)

English, 4th quarter 19th century, unsigned. Made of lacquered brass, 6" long x 7/8" diameter, with a knurled ring for slit adjustment and focussing by a knurled knob operating an eccentric arm. The spectroscope is in very good overall condition in its original leather covered rectangular case.

Price...................................................$475

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