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 96
Fig. 3 … Fig. 4 PHENOMENA OF SPIRITUALISM 87 of wood A, B, C, and D are hinged to E,so that they can move freely up and down.Underneath each of these flat pieces of wood asmall piece of helical spring is fixed to the sur-face of the table, and each of the flat pieces rests A ■1 ■ 1- 1 c Fig. 5 on the top of…
Spiritualism
Internet Archive · Library of Congress · Public Domain Mark 1.0. Free to use for anything.
![An illustration from Experimental investigation of the spirit manifestations, [electronic resource] demonstrating the existence of spirits and their communion with mortals. Doctrine of the spirit world respecting heaven, hell, morality, and God. Also, the influence of Scripture on the morals of Christians (1855)](https://img.insideoutlibrary.com/img/200/ia-experimentalinv00hare-22-3.webp)
