... portraiture, covered this screen, and, indeed, the walls of the room, with scraggy outlines of the human countenance upon large sheets of paper. These, they said, were executed by the draftsman, whose right hand, when under spiritual influence, uncontrollably jerked off these likenesses. They added, that the spirits had given information that, before the mediums left town, the people would recognize these pictures as likenesses of persons there deceased ... — The Humbugs of the World • P. T. Barnum
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