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 150
ook the little weighing-machine or balance, and, having scraped the insulation off the end of one of the electric-bell wires, attached the wire to the pointer of the balance. This was COMPRESSION SPRING BALANCE 133 done by taking out the screw at the centre,twisting the end of the wire round it,… … Fig, 20. pieces of brown paper being placed between itand the surface of the dial. In fig. 20, P is the pan of the balance, D thedial, B the pointer, WW the wires going to theelectric bell, and C the clip. The clip was fixedabout the 20-lb. mark on the dial. The idea ofthe whole thing was that when…
Parapsychology · Spiritualism
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