142. The other application of typtology is by raps produced in the wood of the table, without any movement occurring in the latter; and all
that we have just described, in reference to the tilting of the table, is equally applicable
to the obtaining of communications by raps. All mediums are not equally successful in
obtaining both kinds of typtology, for some can only obtain tilts, while others can only
obtain raps.
Most mediums, however, by perseverance, can eventually succeed in obtaining
raps, which have the double advantage of being not only more rapid, but also less open
to suspicion, than the tiltings, which may be attributed to voluntary or involuntary
pressure. It is true that the raps also can be imitated by untruthful mediums, for the best
things may be counterfeited; a fact which proves nothing against their reality.
But however improved, this way of proceeding can never attain the ease and
rapidity of writing; and, consequently, the old methods of tilting and rapping are now
less frequently employed. The old way is nevertheless very interesting as a
phenomenon, especially for beginners; and it has the special advantage of being
independent of the medium's mind. By the old method, too, answers are often obtained,
so unexpected, so apt and pertinent, that one must be prejudiced indeed to reject the
evidence thus afforded, and which is often an effectual means of conviction. But neither
by this method, nor by any other, can spirits be made to yield to the caprices of mere
curiosity, or forced to answer misplaced or indiscreet questions.
