Physical description: half of an experimental print (left hand portion of Smithsonian 1995.206.278); Royal Photographic Society ink stamp, verso
Inscription: in pencil, verso, possibly in Henneman's hand, Boiled in Strong Iodine; in ink, verso, in Dudley Johnston's hand, B20
Provenance: Victoria & Albert Museum, 2017 National Science and Media Museum, 2003 to 2017 Royal Photographic Society, number 025195 Previously RPS B20