Experiments in psychical science : levitation, contact, and the direct voice (1919)
Crawford, W. J. (William Jackson), 1880-1920 · London : Watkins ; New York : E. P. Dutton & company · leaf 53
ard at the instant the table dropped, and 40 EXPERIMENTS IN PSYCHICAL SCIENCE may not have been continuous over the periodof the phenomenon. I therefore decided toinvestigate the point. Fig. 11 gives a diagrammatic view of theapparatus used. W is the weighing-machine,M the medium, T the levitated… … Fig. ii. The clip was insulated from the dial by piecesof brown paper. The idea was that when thepointer moved round sufficiently to touch theclip, an electric bell in the circuit would ring.Full details of a similar arrangement are givenin R.P.P., ch. vii. 1 set the clip so that thebell would ring…
Parapsychology -- Research · Spiritualism
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