• Travel, Science & Natural Hist auction at Christies

    Sale 5809

    Travel, Science & Natural History

    15 October 2009, London, South Kensington

  • Lot 204

    A LACQUERED BRASS SPECTROSCOPE

    JOHN BROWNING, LATE-19TH CENTURY

    Price Realised  

    A LACQUERED BRASS SPECTROSCOPE
    JOHN BROWNING, LATE-19TH CENTURY
    signed John Browning 68 Strand London, rack and pinion adjustment, the two prisms raised on three brass columns from the horizontal circle with 0°-140° scale, magnifier vernier and tangent screw adjustment and clamp for the collimeter, raised on a brass column from a splayed tripod foot, with spare eyepiece and prisms, in a mahogany case with sample drawer.
    17½in. (44.5cm.) high in case


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