While in Germany, some years before, he had by accident come across
Heidenheim's book on animal magnetism, which interested him so much
that he pursued the subject. After reading the opinions of Grützner,
Berger and Baumler on hypnosis, he turned his attention to French
authorities, eagerly following the history of animal magnetism from
Mesmer and Puységur downward, and led by such studies to try his hand
on subjects, he became quite an adept in this strange psychological
science. Taking it up at first merely as an amusement, on going deeper
into the subject he soon saw that such hypnotic power would be a
terrible weapon in the hands of an unscrupulous man, as, by reducing
the hypnotised person to the condition of a mere instrument, it
enabled him to do acts through such instrument for which he himself
could not be held legally responsible.
In a book on the subject by MM. Demarquay and Giraud Teulon, entitled
"Recherches sur L'Hypnotism," he had come across a case in which a
lady in a condition of hypnotic hallucination began to tell aloud
secrets which compromised her exceedingly. Taking this case as an
illustration of what could be done during hypnosis, Beaumont
determined to throw the Squire into a cataleptic trance, and by
questions or suggestions lead him to reveal his secret. This being
done, he could restore him to his normal condition, absolutely
ignorant of his revelation, and he thought if the secret were worth
anything, he could then do what he pleased.
Having thus definitely settled his plan of action, the next step to
take was to guard against the possibility of Nestley surprising him in
any of his hypnotic experiments, with which, as medical attendant of
the Squire, he would have a perfect right to interfere. Although
Nestley had become much more friendly with Beaumont, he still regarded
him with a certain amount of suspicion, so the artist's aim was now to
reduce him to the state of subjection in which he had been in London
five years before.
He knew Nestley was a very clever man, but remarkably weak, and likely
to be led astray. In London, under the influence of drink, he had been
a slave to Beaumont, and here in Garsworth the artist determined to
reduce him to a similar state of slavery. Never for a moment did he
think of the clever brain he would destroy, or the life he would
wreck--all he wanted was the assistance of the young doctor in certain
plans beneficial to himself, and, at whatever cost, he determined to
carry them out. Beaumont, as a matter of fact, had in him a great deal
of the Italian Despot nature as described by Machiavelli, and with
cold, relentless subtlety, set himself to work to ruin the unhappy
Duncan Nestley body and soul for his own ends.