Experiments in psychical science : levitation, contact, and the direct voice (1919)
Crawford, W. J. (William Jackson), 1880-1920, Crawford, W. J. (William Jackson), 1880-1920. Reality of psychic phenomena, Harry Houdini Collection (Library of Congress) DLC · New York : E.P. Dutton & Co. · leaf 53
given inExperiment 2 that they can rest the bottom endof the columnar part of the cantilever upon thefloor under the table and thus throw most of thereaction upon the floor, instead of upon the me-dium, when large forces are involved. The weight of the table used was 12*4 lb. I got a pressure… … Eig. 10. move up and down on four vertical pins, two ofwhich are shown at E and F, against the pres-sure of light springs. Two pieces of brass 0and D, shaped as shown, are fixed to A and Brespectively and are placed in an electric bellcircuit. The consequence is, that when a down-ward force is…
Parapsychology · Spiritualism
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