Sentence:  In 1915, for example, the British photographer William Hope made a "<WSD>psychograph</WSD>" that contained handwritten messages from two disembodied spirits, and Coates confirmed that the "writing attributed to the late Archdeacon Colley and Mr. William Walker is identical with their own handscript while they were in life." 
Meaning of the word marked with <WSD> tags:  A photographic image having a supposed supernatural or spiritual origin