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Lantern Test - Pairs of Colours
COLOUR VISION TESTS
colour vision test lantern
Fletcher, R. J.
Europe: United Kingdom
2010s
cardboard; plastic film; wood; metal
overall: 120 mm x 76 mm x 40 mm

Home-made colour vision test comprising a black card mounted on a triangular wooden base, bearing six pairs of round apertures covered from behind with various coloured films. Flanked on two sides by diagonally-positioned light-diffusing filter paper.


2012.747

Gift of Professor R. J. Fletcher FCOptom, 2012



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