Collection

Search our collection

Clear all filters
Image
Category
Collection
Maker
On Display
Object type
Place
Material
Date

Book of test-types for assessing visual acuity

1871-1930
"Ramsay Garden's Silhoutypes", wall chart printed on one side with test types for assessing visual acuity of children or illiterates, made by Clement Clarke Ltd., London, 1920-1940

"Ramsay Garden's Silhoutypes" wall chart

1920-1940
Test types for distance (test of visual acuity)

Test types for distance (test of visual acuity)

Book of Cowell test-types for assessing visual acuity, George Cowell, inventor (type), English, 1880-1920

Book of Cowell test-types for assessing visual acuity

1880-1920