W. H. F. Talbot (Circle of): Norman Stairway, Canterbury. c. 1846, Salt print from paper negative, 6-3/4 x 8-3/4 in. (172 x 223 mm), unmounted, untrimmed., Illustrated: The Photographic Work of Calvert Richard Jones, Buckman, Science Museum London, 1990, cc25. Photographer's number 83 in negative. Negative is in the NMPFT, 1937-3089, it is LA695B in the Lacock Abbey collection. Schaaf 3346 in his catalogue raisonne. However, recent research suggests it may be by another, as yet unknown artist. Sheet size 193 by 240mm. Possibly Calvert Jones or Bridges. Z1039.