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Jeweller's Spectacle-Mounted Direct Vision Spectroscope
OPTOMETRIC INSTRUMENTS
spectroscope
Browning, John
Europe: United Kingdom, England, London
1900-1910
brass; metal; glass
eye: 27 mm x 35 mm; overall: 33 mm x 119 mm x 79 mm; spectroscopic tube: 47 mm

Spectroscope for inspecting gemstones. Brass telescopic cylindrical body, mounted in left eye of a pair of metal-rimmed spectacles with side-extending joints and flexible curl sides. Right eye glazed with plano lens.


2009.429

College Purchase, 2009



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