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Excerpt from The Hunterian Lectures on Colour-Vision and Colour-Blindness: Delivered Before the Royal College of Surgeons of England on February 1st and 3rd, 19

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced