Catalogue Page from Exhibition Catalogue: 1907 Fifty-second Annual Exhibition of the Royal Photographic Society of Great Britain

showing (E07A055) Exhibit no. [690]: Negatives on "Wellington" Plates - Speedy, Iso Speedy, Landscape and Ortho Process; and "Watalu" Self-Developing Plates - Speedy, Iso Speedy, and Landscape by Wellington & Ward ()