Test-types, on translucent amber coloured film, in glazed wooden frame, by Packard and Curry, London Eye-testing chart on translucent amber coloured film 1851-1950
Revolving drum for eye-testing, Snellin-type chart with four faces each which has a different test type Revolving eye-testing chart
"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
Folding wall chart printed on one side with test types for assessing visual acuity, supplied by National Ophthalmic Treatment Board Association, London, c. 1961 Folding wall chart printed on one side with test types for assessing visual acuity
Test type charts (4), invented and supplied by Cowan and Sons, Manchester, English, 1940-1970 Test type charts (4)
Book of Jaeger test-types for assessing visual acuity, arranged by Thomas Armstrong and Brother, manufacturing opticians of Manchester, 1860-1920 Book of Jaeger test-types for assessing visual acuity
Book of Jaeger test-type for assessing visual acuity, arranged by Thomas Armstrong and Brother, manufacturing opticians of Manchester, 1860-1920 Book of Jaeger test-type for assessing visual acuity 1860-1920
Test type charts (2), Snellen type, modified by Pinnard, made by Francois Sapene, rue St. Merri 42, Paris, France, 1900-1978. Test type charts (2) 1900-1978
Test-types, distance, for children and illiterates, printed on cardboard, second half 19th century or 20th century Test-types, distance, for children and illiterates 1851-1950
Book of Jaeger test-types for assessing visual acuity, made by Curry and Paxton, English, 1871-1930 Book of Jaeger test-types for assessing visual acuity 1871-1930
Book of Jaeger test-type for assessing visual acuity, inventor(type) Professor E. Jaeger, arranged by Thomas Arsmstrong, Manufacturing Opticians of Manchester, 1860-1920 Book of Jaeger test-type for assessing visual acuity 1860-1920
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
Wall chart printed on one side with test types for assessing visual acuity, with instructions, supplied by National Ophthalmic Treatment Board Association, London, made by Hamblin, London, c. 1962 Wall chart printed on one side with test types for assessing visual acuity 1960-1962
Book of Jaeger test-types for assessing visual acuity, arranged by Thomas Armstrong and Brother, Manufacturing Opticians of Manchester, 1860-1920. Property of T.H. Bickerton Book of Jaeger test-types for assessing visual acuity 1860-1920
'Motor Drivers Vision Test', two charts printed on one side for assessing visual acuity, made by Theodore Hamblin Limited, 15 Wigmore Street, London, W1, England, 1950-1960. 'Motor Drivers Vision Test' 1950-1960
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 1871-1930
Test-types, distance, for children and illiterates, printed on card, English, 1851-1950 Test-types, distance 1851-1950
Wall chart printed on one side with test types for assessing visual acuity, published by Davidson and Co., London, 1920-1950 Wall chart printed on one side with test types for assessing visual acuity 1920-1950
Folding wall chart printed on one side with test types for assessing visual acuity, supplied by National Ophthalmic Treatment Board Association, London, c. 1961 Folding wall chart printed on one side with test types for assessing visual acuity
Folder containing 6 cards of test types, in leatherette cover, British, early 20th century Folder containing 6 cards of test types 1901-1930
Wall chart printed on one side with Thorington test types for assessing visual acuity, made by Wall and Ochs of Philadelphia, USA, 1921-1940 Wall chart printed on one side with Thorington test types for assessing visual acuity 1921-1940
Chart printed on one side with test types, [Gothic], for assessing visual acuity, English, 1851-1900 Chart printed on one side with test types 1851-1900
"Beale Collin's Picture Types", two folding wall charts printed on one side with test types for assessing visual acuity of children or illiterates, Davidson and Co., publisher, London, 1920-1940 "Beale Collin's Picture Types" 1920-1940
"Landolt's Broken Rings", chat printed on one side with test types for assessing visual acuity, English, 1970 "Landolt's Broken Rings" 1970
Two wall charts printed on one side with patterns of squares on graph paper background, test of visual acuity(?), European, 1871-1930 Two wall charts printed on one side with patterns of squares on graph paper background 1871-1930
Test type card, invented and supplied by Cowan and Sons, Machester, English, 1940-1970 Test type card
"Beale Collin's Picture Types", wall chart printed on one side with test types for assessing visual acuity of children or illiterates, English, 1920-1940 "Beale Collin's Picture Types" 1920-1940
Book of Jaeger test-types for assessing visual acuity, arranged by Thomas Armstrong and Brother, manufacturing opticians of Manchester, 1860-1920 Book of Jaeger test-types for assessing visual acuity 1860-1920
Book of Jaeger test-type for assessing visual acuity, arranged by Thomas Armstrong and Brother, manufacturing opticians of Manchester, 1860-1920 Book of Jaeger test-type for assessing visual acuity 1860-1920
Book of Jaeger test-types for assessing visual acuity, arranged by Thomas Armstrong and Brother, Manufacturing Opticians of Manchester, 1860-1920 Book of Jaeger test-types for assessing visual acuity 1860-1920
Book of test type, used by Royal London Ophthalmic Hospital, English, 1910-1970 Book of test type 1910-1970
Sjogren hand test (6 pictures in case), made by Theodore Hamblin, 15 Wigmore Street, London, England, 1970. Sjogren hand test (6 pictures in case) 1970