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Holmgren wool colour vision test
COLOUR VISION TESTS
colour vision test
John Weiss & Son Ltd
Europe: United Kingdom
Early-Mid 20th c.
wool; cardboard
box: 60 x 150 x 105 mm
1999.3906
COLOUR VISION TESTS
colour vision test
John Weiss & Son Ltd
Europe: United Kingdom
Early-Mid 20th c.
wool; cardboard
box: 60 x 150 x 105 mm
Rectangular cardboard box containing seven small envelopes with skeins of coloured wool inside. 3 test skeins and 46 samples for matching, split among three series. Samples for light confusion, dark confusion and matching.
1999.3906