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Nagel's test cards for Colour blindness
COLOUR VISION TESTS
colour vision test - pseudo-isochromatic
Breuer, A.
Europe: United Kingdom, England, London, WC
c.1936?
card
each card: 95 mm x 138 mm; instructions: 140 mm x 110 mm
1999.124
COLOUR VISION TESTS
colour vision test - pseudo-isochromatic
Breuer, A.
Europe: United Kingdom, England, London, WC
c.1936?
card
each card: 95 mm x 138 mm; instructions: 140 mm x 110 mm
Set of twelve colour test cards consisting of rings of coloured dots. Contained in a black wallet. Also a printed instruction leaflet in English translation.
1999.124
Gift of Dr J.M.L. Howat, Hon FCOptom, 1999