Owen Oliver, The Soul Machine (1911)
“ The band went round, and the spray hissed, and the discs revolved faster and faster. “Look!” he cried, and pointed to the diaphragm. A spectrum like a many-coloured rainbow shone upon the convoluted slab; and the girl roused to sudden interest. “What is that?” she asked. “It is I,” he said, “so far as this kind of diaphragm will represent me; I as I am at this moment; the extraordinary medley of thoughts and feelings that exist even in a comparatively restful mind. The dials show better how restful.” ”
