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Colour-blindness and colour-perception (1891)

Edridge-Green, F. W. (Frederick William), 1863-1953, Kegan Paul, Trench, Trubner & Co., publisher · London : Kegan Paul, Trench, Trübner & Co., Ltd. · leaf 289

An illustration from Colour-blindness and colour-perception, 1891, leaf 289
263 THE TESTS FOR COLOUR-BLINDNESS. … Fig. 23. I.— Represents the Lantern Test. A shows the lantern as presented to the candidate, a slide being in situ. B shows a side view of the lantern with three slides in situ, a being a coloured glass, b and c modifying glasses, d is the front view of a slide, e the pile of thirteen slides. II.—…

Color blindness · Color Vision Defects · Color Perception

Internet Archive · Getty Research Institute · Public domain (published before 1931). Free to use for anything.

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