Book of Jeager test-types for assessing visual acuity, possibly made by Curry and Paxton, English, 1871-1930 Book of Jeager test-types for assessing visual acuity
Book of Jaeger test-types for assessing visual acuity, maker or arranger Curry and Paxton Ltd., 195/199 Great Portland Street and 22 Wigmore Street, W1, London, England, 1871-1930. Book of Jaeger test-types for assessing visual acuity