Book of Cowell test-types for assessing visual acuity
- Made:
- 1880-1920
Book of Cowell test-types for assessing visual acuity, George Cowell, inventor (type), English, 1880-1920
Details
- Category:
- Ophthalmology
- Collection:
- Sir Henry Wellcome's Museum Collection
- Object Number:
- A625233
- Materials:
- paper, cloth and plastic, covered
- Measurements:
-
open: width 390 mm
height 278 mm
- type:
- test-types
