Experiments in psychical science, levitation, contact, and the direct voice (1919)
Crawford, William Jackson, 1880-1920 · New York, E.P. Dutton · leaf 67
Fig. 14. 50 EXPERIMENTS IN PSYCHICAL SCIENCE (b) If P is greater than W the weighing ma-chine will indicate increased weight = W — P. (b) If P is greater than W the weighing ma-chine will indicate decreased weight = P — W. … Fig. 15. This (b) is what occurs when the psychic can-tilever rests on top of the spring balance (seeExperiments 7 and 8). case m When the cantilever presses downwards onthe floor with a vertical force W, the weighingmachine will indicate decreased weight = W. This is the case that occurs when the…
Spiritualism and psychical research
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