Hints and observations for those investigating the phenomena of spiritualism (1918)
Crawford, W. J. (William Jackson), 1880-1920, Harry Houdini Collection (Library of Congress) DLC · New York : E.P. Dutton & Co. · leaf 93
clear of all encumbrances. Figure 2 shows the underside of the tableand the construction adopted in order to useas few nails as possible. Figures 3 and 4 show the table fitted up forexperimental work. Briefly the object of the apparatus on the topof the table is to prevent muscular pressure,or at… … , Fig. 1
Spiritualism
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