According to M. Deleuze, any person could become a magnetiser and produce these effects, by conforming to the following conditions, and acting upon the following rules:—
Forget for a while all your knowledge of physics and metaphysics.
Remove from your mind all objections that may occur.
Imagine that it is in your power to take the malady in hand, and throw it on one side.
Never reason for six weeks after you have commenced the study.
Have an active desire to do good; a firm belief in the power of magnetism, and an entire confidence in employing it. In short, repel all doubts; desire success, and act with simplicity and attention.
That is to say, "be very credulous; be very persevering; reject all past experience, and do not listen to reason," and you are a magnetiser after M. Deleuze's own heart.
Having brought yourself into this edifying state of fanaticism, "remove from the patient all persons who might be troublesome to you: keep with you only the necessary witnesses—a single person, if need be; desire them not to occupy themselves in any way with the processes you employ and the effects which result from them, but to join with you in the desire of doing good to your patient. Arrange yourself so as neither to be too hot nor too cold, and in such a manner that nothing may obstruct the freedom of your motions; and take precautions to prevent interruption during the sitting. Make your patient then sit as commodiously as possible, and place yourself opposite to him, on a seat a little more elevated, in such a manner that his knees may be betwixt yours, and your feet at the side of his. First, request him to resign himself; to think of nothing; not to perplex himself by examining the effects which may be produced; to banish all fear; to surrender himself to hope, and not to be disturbed or discouraged if the action of magnetism should cause in him momentary pains. After having collected yourself, take his thumbs between your fingers in such a way that the internal part of your thumbs may be in contact with the internal part of his, and then fix your eyes upon him! You must remain from two to five minutes in this situation, or until you feel an equal heat between your thumbs and his. This done, you will withdraw your hands, removing them to the right and left; and at the same time turning them till their internal surface be outwards, and you will raise them to the height of the head. You will now place them upon the two shoulders, and let them remain there about a minute; afterwards drawing them gently along the arms to the extremities of the fingers, touching very slightly as you go. You will renew this pass five or six times, always turning your hands, and removing them a little from the body before you lift them. You will then place them above the head; and, after holding them there for an instant, lower them, passing them before the face, at the distance of one or two inches, down to the pit of the stomach. There you will stop them two minutes also, putting your thumbs upon the pit of the stomach and the rest of your fingers below the ribs. You will then descend slowly along the body to the knees, or rather, if you can do so without deranging yourself, to the extremity of the feet. You will repeat the same processes several times during the remainder of the sitting. You will also occasionally approach your patient, so as to place your hands behind his shoulders, in order to descend slowly along the spine of the back and the thighs, down to the knees or the feet. After the first passes, you may dispense with putting your hands upon the head, and may make the subsequent passes upon the arms, beginning at the shoulders, and upon the body, beginning at the stomach."
Such was the process of magnetising recommended by Deleuze. That delicate, fanciful, and nervous women, when subjected to it, should have worked themselves into convulsions will be readily believed by the sturdiest opponent of Animal Magnetism. To sit in a constrained posture—be stared out of countenance by a fellow who enclosed her knees between his, while he made passes upon different parts of her body, was quite enough to throw any weak woman into a fit, especially if she were predisposed to hysteria, and believed in the efficacy of the treatment. It is just as evident that those of stronger minds and healthier bodies should be sent to sleep by the process. That these effects have been produced by these means there are thousands of instances to show. But are they testimony in favour of Animal Magnetism?—do they prove the existence of the magnetic fluid? Every unprejudiced person must answer in the negative. It needs neither magnetism, nor ghost from the grave, to tell us that silence, monotony, and long recumbency in one position must produce sleep, or that excitement, imitation, and a strong imagination, acting upon a weak body, will bring on convulsions. It will be seen hereafter that magnetism produces no effects but these two; that the gift of prophecy—supernatural eloquence—the transfer of the senses, and the power of seeing through opaque substances, are pure fictions, that cannot be substantiated by anything like proof.
M. Deleuze's book produced quite a sensation in France; the study was resumed with redoubled vigour. In the following year, a journal was established devoted exclusively to the science, under the title of "Annales du Magnetisme Animal;" and shortly afterwards appeared the "Bibliotheque du Magnetisme Animal," and many others. About the same time, the Abbe Faria, "the man of wonders," began to magnetise; and the belief being that he had more of the Mesmeric fluid about him, and a stronger will, than most men, he was very successful in his treatment. His experiments afford a convincing proof that imagination can operate all, and the supposed fluid none, of the resuits so confidently claimed as evidence of the new science. He placed his patients in an arm-chair; told them to shut their eyes; and then, in a loud commanding voice, pronounced the single word, "Sleep!" He used no manipulations whatever—had no baquet, or conductor of the fluid; but he nevertheless succeeded in causing sleep in hundreds of patients. He boasted of having in his time produced five thousand somnambulists by this method. It was often necessary to repeat the command three or four times; and if the patient still remained awake, the Abbe got out of the difficulty by dismissing him from the chair, and declaring that he was incapable of being acted on. And here it should be remarked that the magnetisers do not lay claim to a universal efficacy for their fluid; the strong and the healthy cannot be magnetised; the incredulous cannot be magnetised; those who reason upon it cannot be magnetised; those who firmly believe in it can be magnetised; the weak in body can be magnetised, and the weak in mind can be magnetised. And lest, from some cause or other, individuals of the latter classes should resist the magnetic charm, the apostles of the science declare that there are times when even they cannot be acted upon; the presence of one scorner or unbeliever may weaken the potency of the fluid and destroy its efficacy. In M. Deleuze's instructions to a magnetiser, he expressly says, "Never magnetise before inquisitive persons!" ["Histoire Critique du Magnetisme Animal," p. 60.] Yet the followers of this delusion claim for it the rank of a science!