Find thousands of books, manuscripts, visual materials and unpublished archives from our collections, many of them with free online access.
Search for free, downloadable images taken from our library and museum collections, including paintings, illustrations, photos and more.
Researches on colour-blindness : with a supplement on the danger attending the present system of railway and marine coloured signals / by George Wilson.
- Wilson, George, 1818-1859.
Public Domain Mark
You can use this work for any purpose without restriction under copyright law.
Public Domain Mark (PDM) terms and conditions https://creativecommons.org/publicdomain/mark/1.0
Where to find it
Location of original
This material has been provided by The University of Leeds Library. The original may be consulted at The University of Leeds Library.