Photographs and slides generated by the various Wellcome bodies. Including:

Photographs relating to Balfour's South American Expedition, 1914 and to the Mobile Bacteriological Laboratory 1918.

Photographs depicting the interior arrangement of the Wellcome Historical Medical Museum, and specific exhibition cases or objects.

Glass lantern slides used for lectures on the history and current work of the various departments of the Wellcome Research Institution.

Photographs mainly depicting the Museum displays and their use by visitors.

Photographs of the Floating Laboratory and its model, and an extensive series of photographs taken for the annual reports.

Two large format albums of prints of interior and exterior views; plus loose photographs including of the cornerstone laying ceremony.