The reality of psychic phenomena : raps, levitations, etc. (1916)
Crawford, W. J. (William Jackson), 1880-1920, Harry Houdini Collection (Library of Congress) DLC · London : John M. Watkins · leaf 132
ushing force on thebalance B is not an independent force may beinferred from the following:—Several timesduring levitation strong upward jerks of thetable were given. On all such occasions thepointer on the tension balance S indicated asudden increase of a pound or two, and whenthe jerking motion… … COMPRESSION SPRING BALANCE 119 is levitated above the 14-lb. balance is apparentlyabout 4 lb.; and this component acts directlyoutwards from the medium. At a later date I made a further experimentwith the object of determining accurately thehorizontal component of the reaction. Eojperiment 49: To…
Parapsychology · Spiritualism
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