English: Photographs revealing the fraud mediumship of Helen Duncan. Malcolm Gaskill revealed in his book Hellish Nell: Last of Britain's Witches (Fourth Estate, 2001) that the photographs were taken by the photographer Harvey Metcalfe in 1928 during a séance at Duncan's house.
Date
Source
Harry Price. Leaves from a Psychist's Case-Book (Victor Gollancz Ltd, 1933)
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