Note 11 — The Detection of Colour-Blindness from a Practical Point of View
Reading edition
Made by Reiner and Keeler, 9, Vere Street, W.; and Meyrowitz, 1a, Old Bond Street, W.
Reading edition
Made by Reiner and Keeler, 9, Vere Street, W.; and Meyrowitz, 1a, Old Bond Street, W.