Colour perception and other visual functions in their practical aspects / by Freeland Fergus.

  • Fergus, A. Freeland (Andrew Freeland), 1858-1932.
Date:
[1910?]

Licence: In copyright

Credit: Colour perception and other visual functions in their practical aspects / by Freeland Fergus. Source: Wellcome Collection.

    9/16 (page 9)