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Holmgren's wool, colour blindness test in which the subject matches various coloured skeins of wool, with instructions, used at the Royal (Dick) School of Veterinary Studies, University of Edinburgh, devised by Alarik Frithiof Holmgren

Museum reference



History of Science

Object name

Holmgren's wool

Production information

Holmgren, Alarik Frithiof, 1831 - 1897, Inventor


Wool, Metal


Place of use: Royal (Dick) School of Veterinary Studies
Place of use: Edinburgh, Midlothian, Scotland, EUROPE

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