The reality of psychic phenomena : raps, levitations, etc. . gid cantilever). The whole arm A C T in fig. 27 takes theshape shown in order that the particularphenomenon in hand (levitation) may be mostaccurately accomplished, but that is not theonly shape it may have. It is only the bestshape for levitation purposes. Let us suppose that the operators desiredto grip the table in the strongest possiblemanner—that is to say, to move it about theroom in the most powerful way in order toimpress a visitor who has hold of it by the topand who is endeavouring to prevent do we find ? Turn t
The reality of psychic phenomena : raps, levitations, etc. . gid cantilever). The whole arm A C T in fig. 27 takes theshape shown in order that the particularphenomenon in hand (levitation) may be mostaccurately accomplished, but that is not theonly shape it may have. It is only the bestshape for levitation purposes. Let us suppose that the operators desiredto grip the table in the strongest possiblemanner—that is to say, to move it about theroom in the most powerful way in order toimpress a visitor who has hold of it by the topand who is endeavouring to prevent do we find ? Turn to Experiment 26. The diagram in that experiment is reproducedin fig. 28. We find that the operators undersuch conditions, when delicate balancing workis not required, but when magnitude of psychicforce is the all-important thing, tilt the edge ofthe table some 40 degrees with the horizontalin the direction of the medium. I think therecan be absolutely no doubt they do this inorder that they may take the strongest possible 164 REALITY OF PSYCHIC PHENOMENA. grip with the canti-lever arm. No pre-Hminary operationsare needed; thetable simply tilts,and a short, almoststraight arm pro-jects from mediumon to the under sur-face of table. Many other ex-periments and ob-servations also sug-gest that the shapeof the cantileverarm required forlevitation is only oneparticular shape ofthe arm, and thatcertain other shapesare possible. A veryrough analogy is thetrunk of an ele-phant. For delicatelevitation work thetrunk is made intothe shape shownin fig. 27, whilefor rough powerfulwork it is madestraight, short, andthick. The ex- A CANTILEVER THEORY 165 tremity of the arm projecting from the mediumseems able to grip by some adhesive power thewood of the table or certain other articles withwhich it comes into contact; there is reasonto believe that a levitated table is not simplyresting upon the suinmit of the cantilevercolumn, but that it is firmly fixed to it, asthough glued. The foll
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