Bromley: R. Derek Wood, 1975. Small 8vo., 31 pp., frontispiece. Printed stiff wrappers. A fine copy. Item #54025
Includes bibliographical references. The trial was to settle Talbot's claim that collodion technique infringed upon his calotype patent. "A contribution to the history of photography to welcome the opening of the Talbot Museum at Lacock." (wrapper text).