Experiments in psychical science, levitation, contact, and the direct voice (1919)
Crawford, William Jackson, 1880-1920 · New York, E.P. Dutton · leaf 91
IENCE weighing machine. After some futile attemptsthe operators succeeded in sliding machine,board, chair and medium quite easily along thefloor. The motion at my request was made slowand prolonged. READINGS Initial weight of medium -f chair + board = 133 lb. Weight of medium + chair + boardwhile… … Fig. 21. because the chair was several times pushed offthe platform during the preliminary attempts,and on the successful occasions it always movedback of itself until it was against the backrail ofthe machine. Fig. 21 indicates what I consider a provisionaldeduction from the above facts. R is a…
Spiritualism and psychical research
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