The detection of colour-blindness from a practical point of view / by F. W. Edridge-Green.

Public Domain Mark

You can use this work for any purpose without restriction under copyright law. Read more about this licence.

Credit

The detection of colour-blindness from a practical point of view / by F. W. Edridge-Green. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by UCL Library Services. The original may be consulted at UCL (University College London)