From Matter to Spirit – Sophia de Morgan

It seems to be an ebb and flow of the spirit within, agreeing with the waves of influx from the spirit without, whose action, as has been said, is so often perceptible as fanning, or a current of fresh, pure air. When our pulmonary breathing and spiritual breathing are brought into harmony of action, or polarised, together, we shall all be receptive, as a natural condition of every-day life, of the streams of influx from higher beings......

Sometimes there is also a tingling like that produced by the wires of a galvanic battery, and during the raps, slight shocks like electricity passing through the arm of the medium

Alice’s Adventures in Wonderland - Lewis Carroll

As she said this she looked down at her hands, and was surprised to see that she had put on one of the Rabbit's little white kid gloves while she was talking. 'How CAN I have done that?' she thought. 'I must be growing small again.' She got up and went to the table to measure herself by it, and found that, as nearly as she could guess, she was now about two feet high, and was going on shrinking rapidly: she soon found out that the cause of this was the fan she was holding, and she dropped it hastily, just in time to avoid shrinking away altogether.