Research source

XII. Explanatory Hypotheses--Theories And Doctrines-- Conclusions Of The Author 406

Date of account: English edition published 1907
Source: Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants
Reference: Mysterious Psychic Forces An Account of the Author's Investigations in Psychical Research, Together with Those of Other European Savants · selected passage 17
Rights: public_domain
Language: English translation from French
Translation: English translation from Camille Flammarion
Record updated: 2026-08-24

Record summary

Published source text

Read the available text below. Archive transcriptions may contain OCR errors; later context is labelled separately. A recorded claim is not a finding that it happened.

Source passage

Source text · mention only

These taps audible in the table, this "typtology" well known to Spiritualists, have been frequently attributed to some kind of trickery or another, to a cracking muscle or to various actions of the medium. After the comparative study I have made of these special occurrences I believe I am right in affirming that this fact also is not less certain than the first. Rappings, as is well known, are obtained in all kinds of rhythms, and responses to all questions are obtained through simple conventions, by which it is agreed, for instance, that three taps shall mean "yes" and two mean "no," and that, while the letters of the alphabet are being read, words can be dictated by taps made as each letter is named.

Historical context

Contextual commentary · mention only

This comes from historical psychical research. Methods, witness handling and standards of evidence differ from present-day research and should be assessed from the cited passage and edition.

Modern context

Contextual commentary · mention only

The passage can support a history of claims and recurring descriptions. It does not establish a paranormal mechanism, and competing psychological, social and physical explanations remain relevant.

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