These images are of photographs collected by Robert Tucker, Honorary Secretary of the Society (1867-1902), which is now known as the Tucker Collection. They are portrait photographs, carte-de-visite or cabinet, of mathematicians and others, many of whom were associated with the Society. The images are ordered alphabetically. A list of them can be found here
If you wish to use any of the images, please contact the Librarian of the Society at firstname.lastname@example.org.