An essay on the physiology of the iris : with a different view of its relations and sympathies from the one usually received : and an attempt to establish a new theory of the action of light upon the eye / by John Walker.

Public Domain Mark

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

Credit

An essay on the physiology of the iris : with a different view of its relations and sympathies from the one usually received : and an attempt to establish a new theory of the action of light upon the eye / by John Walker. Public Domain Mark. Source: Wellcome Collection.

Provider

This material has been provided by The University of Glasgow Library. The original may be consulted at The University of Glasgow Library.