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Pelorus Guardian and Miners' Advocate., Volume 20, Issue 70, 3 September 1909, Page 5

in the course of a series ot experiments in the laboratory of Mi* chigan University, the room was darkened, and, with an electrical apparatus, induction coil, and storage battery for accessories, the spectators were invited to look through an oblong box at a black pautaboard beyond. The battery was then turned on, a new Crookes tube of great power being put in the circuit, whereat darkness disappeared and the black pasteboard became similar in appearance to a pane of ground glass. The operator then thrust his hand before the tube, which meanwhile had grown brilliant with the green phosphorescence ot the. X-rays, and every bone, dimly surrounded by its envelope of flesh, became distinctly visible on the pasteboard. The wrist followed, then the arm, then the body. The operator was seen turning and moving in that curious light. His clothing was as transparent as his flesh. Bvcry'bone of his body was visible, his heart was visible, misty, indeed, in outline. but there it was, moving regularly, pulsating before the spectators’ e.vea.