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Credit
Colour vision : being the Tyndall lectures delivered in 1894 at the Royal Institute / by Capt. W. de W. Abney; with coloured plate and numerous diagrams. Public Domain Mark. Source: Wellcome Collection.
Provider
This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.