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scotometer
OPTOMETRIC INSTRUMENTS
visual field test
American Optical Company; Nitsche & Gunther
Europe: United Kingdom, England, London
Early-mid 20th c.
brass; metal
overall: 76 x 44 x 4 mm

Colour test consisting of revolving metal disk within a column-shaped black-painted brass mount, with a window through which is visible a series of coloured dots.


2004.631

Gift of Mr Brian Mitchell, 2004



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