Victor Loux Bookmarks Tag: museum

7 bookmarks tagged “museum

Holmgren's coloured wool test for colour blindness, Europe, | Wellcome Collection

wellcomecollection.org/works/qb73n5gb
The patient had to match one piece of wool to the samples in the box in this colour blindness test. There are light and dark shades to confuse the patient. This helped detect problems. The numbers on the pieces of wool were codes. The doctor used them to determine what type colour blindness the patient had. Swedish physiologist Alarik Frithiof Holmgren (1831-1897) devised this test in 1874. He pursued his investigations following a railway accident in Sweden in 1876. The accident w...

Garden Museum - celebrating British gardens and gardening

gardenmuseum.org.uk/
The Garden Museum explores and celebrates British gardens and gardening through its collection, temporary exhibitions, events and garden.

Digital Public Library of America

dp.la/
The Digital Public Library of America brings together the riches of America’s libraries, archives, and museums, and makes them freely available to the world.