Color-vision and color blindness, a practical manual for railroad surgeons (1920)
Jennings, John Ellis · Philadelphia F.A. Davis · leaf 87
Fig. 17.—Williamss Lantern, Model of 1903. satisfactory color perception made the followiiiL:: niistnlvcswith the lantern : No. 2 (green) he called red ; No. -i(green) he called red; No. 5 (red) lie called yellow^;No. 8 (red) he called green ; No. 9 (gn^en) he calledred; No. 10 (green) he called…
Color-blindness · Eye
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