The Photographic Reference Book ... / Compiled by W. A. Watts, under the direction of H. Sturmey.

Licence: Public Domain Mark

Credit: The Photographic Reference Book ... / Compiled by W. A. Watts, under the direction of H. Sturmey. Source: Wellcome Collection.

Provider: This material has been provided by the Royal College of Physicians of Edinburgh. The original may be consulted at the Royal College of Physicians of Edinburgh.