A LACQUERED BRASS SPECTROSCOPE
JOHN BROWNING, LATE-19TH CENTURY
signed John Browning LONDON the horizontal circle with 0-140° scale and vernier, raised on a brass column from a splayed tripod foot, in original fitted mahogany case.
15in. (38cm.) high in case
A LACQUERED BRASS SPECTROSCOPE
JOHN BROWNING, LATE-19TH CENTURY
signed John Browning LONDON the horizontal circle with 0-140° scale and vernier, raised on a brass column from a splayed tripod foot, in original fitted mahogany case.
15in. (38cm.) high in case
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