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AO H-R-R Pseudoisochromatic Plates for Detecting, Classifying, and Estimating the Degree of Defective Color Vision American Optical Company 1957 View |
Colour blindness test Mid 20th c. View |
Guy's Colour Vision Test for Young Children Keeler Instruments Ltd 1973 View |
Guy's Colour Vision Test for Young Children Keeler Instruments Ltd 1977 View |
Ishihara's Tests for Colour-Blindness 24 Plates Edition Kanehara Shuppan Co. Ltd 1995 View |
Nagel's test cards for Colour blindness Breuer, A. c.1936? View |
Pseudo-Isochromatic Plates for Testing Color Perception American Optical Company; Beck Engraving Co., Inc. 1940-1957 View |
Six Ishihara plates on positive film Mid-Late 20th c. View |
Stilling's pseudo-isochromatische Tafeln zur Prüfung des Farbensinnes ... 17th edition Hertel, E.; Georg Thieme Verlag 1926 View |
Tabulae Pseudo-Isochromaticae / Bostrom's Colour Vision Charts KIFA c.1972 View |
Tafeln zur Untersuchung des Farbenunterscheidungs-Vermogens / Nagel's Test Cards for Colour blindness J. F. Bergmann 1934 View |
Tests for Colour Blindness Ishihara, S.; H.K. Lewis & Co 1948 View |
Tests for Colour Blindness, 11th Completely Revised Edition Ishihara, S.; H.K. Lewis & Co; Kanehara Shuppan Co. Ltd 1954 View |
Tests for Colour Blindness, 14th Completely Revised Edition Ishihara, S.; H.K. Lewis & Co; Kanehara Shuppan Co. Ltd 1959 View |
Tests for Colour-Blindness by S. Ishihara Kanehara Shuppan Co. Ltd; H.K. Lewis & Co 1969 View |
The Edridge-Green Card Test for Colour Blindness G. Bell and Sons Ltd Early 20th c. View |