medical essays-第6章
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ich sometimes did not begin to show themselves for two or three months。
〃From my representing Tar Water as good for so many things；〃 says Berkeley； 〃some perhaps may conclude it is good for nothing。 But charity obligeth me to say what I know； and what I think； however it may be taken。 Men may censure and object as they please； but I appeal to time and experiment。 Effects misimputed； cases wrong told； circumstances overlooked； perhaps； too； prejudices and partialities against truth； may for a time prevail and keep her at the bottom of her well； from whence nevertheless she emergeth sooner or later； and strikes the eyes of all who do not keep them shut。〃 I cannot resist the temptation of illustrating the bishop's belief in the wonderful powers of his remedy； by a few sentences from different parts of his essay。 〃The hardness of stubbed vulgar constitutions renders them insensible of a thousand things that fret and gall those delicate people； who； as if their skin was peeled off； feel to the quick everything that touches them。 The tender nerves and low spirits of such poor creatures would be much relieved by the use of Tar Water； which might prolong and cheer their lives。〃 〃It ＇the Tar Water＇ may be made stronger for brute beasts； as horses； in whose disorders I have found it very useful。〃 〃 This same water will also give charitable relief to the ladies； who often want it more than the parish poor； being many of them never able to make a good meal； and sitting pale； puny； and forbidden； like ghosts； at their own table； victims of vapors and indigestion。〃 It does not appear among the virtues of Tar Water that 〃children cried for it；〃 as for some of our modern remedies； but the bishop says； 〃I have known children take it for above six months together with great benefit； and without any inconvenience； and after long and repeated experience I do esteem it a most excellent diet drink； fitted to all seasons and ages。〃 After mentioning its usefulness in febrile complaints； he says： 〃I have had all this confirmed by my own experience in the late sickly season of the year one thousand seven hundred and forty…one； having had twenty… five fevers in my own family cured by this medicinal water； drunk copiously。〃 And to finish these extracts with a most important suggestion for the improvement of the British nation： 〃It is much to be lamented that our Insulars who act and think so much for themselves； should yet； from grossness of air and diet； grow stupid or doat sooner than other people； who； by virtue of elastic air； water…drinking； and light food； preserve their faculties to extreme old age； an advantage which may perhaps be approached； if not equaled； even in these regions； by Tar Water； temperance； and early hours。〃
Berkeley died at the age of about seventy； he might have lived longer； but his fatal illness was so sudden that there was not time enough to stir up a quart of the panacea。 He was an illustrious man； but he held two very odd opinions； that tar water was everything； and that the whole material universe was nothing。
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Most of those present have at some time in their lives heard mention made of the METALLIC TRACTORS； invented by one Dr。 Perkins； an American； and formerly enjoying great repute for the cure of various diseases。 Many have seen or heard of a satirical poem； written by one of our own countrymen also； about forty years since； and called 〃Terrible Tractoration。〃 The Metallic Tractors are now so utterly abandoned that I have only by good fortune fallen upon a single one of a pair； to show for the sake of illustration。 For more than thirty years this great discovery； which was to banish at least half the evils which afflict humanity； has been sleeping undisturbed in the grave of oblivion。 Not a voice has； for this long period； been raised in its favor； its noble and learned patrons； its public institutions； its eloquent advocates； its brilliant promises are all covered with the dust of silent neglect； and of the generation which has sprung up since the period when it flourished； very few know anything of its history； and hardly even the title which in its palmy days it bore of PERKINISM。 Taking it as settled； then； as no one appears to answer for it； that Perkinism is entirely dead and gone； that both in public and private； officially and individually； its former adherents even allow it to be absolutely defunct； I select it for anatomical examination。 If this pretended discovery was made public； if it was long kept before the public； if it was addressed to the people of different countries； if it was formally investigated by scientific men； and systematically adopted by benevolent persons； who did everything in their power to diffuse the knowledge and practice of it； if various collateral motives； such as interest and vanity； were embarked in its cause； if； notwithstanding all these things； it gradually sickened and died； then the conclusion seems a fair one； that it did not deserve to live。 Contrasting its failure with its high pretensions； it is fair to call it an imposition； whether an expressly fraudulent contrivance or not； some might be ready to question。 Everything historically shown to have happened concerning the mode of promulgation； the wide diffusion； the apparent success of this delusion； the respectability and enthusiasm of its advocates； is of great interest in showing to what extent and by what means a considerable part of the community may be led into the belief of that which is to be eventually considered' as an idle folly。 If there is any existing folly； fraudulent or innocent in its origin； which appeals to certain arguments for its support； provided that the very same arguments can be shown to have been used for Perkinism with as good reason； they will at once fall to the ground。 Still more； if it shall appear that the general course of any existing delusion bears a strong resemblance to that of Perkinism； that the former is most frequently advocated by the same class of persons who were conspicuous in behalf of the latter； and treated with contempt or opposed by the same kind of persons who thus treated Perkinism； if the facts in favor of both have a similar aspect； if the motives of their originators and propagators may be presumed to have been similar； then there is every reason to suppose that the existing folly will follow in the footsteps of the past； and after displaying a given amount of cunning and credulity in those deceiving and deceived； will drop from the public view like a fruit which has ripened into spontaneous rottenness； and be succeeded by the fresh bloom of some other delusion required by the same excitable portion of the community。
Dr。 Elisha Perkins was born at Norwich； Connecticut； in the year 1740。 He had practised his profession with a good local reputation for many years； when he fell upon a course of experiments； as it is related； which led to his great discovery。 He conceived the idea that metallic substances might have the effect of removing diseases； if applied in a certain manner； a notion probably suggested by the then recent experiments of Galvani； in which muscular contractions were found to be produced by the contact of two metals with the living fibre。 It was in 1796 that his discovery was promulgated in the shape of the Metallic Tractors； two pieces of metal； one apparently iron and the other brass； about three inches long； blunt at one end and pointed at the other。 These instruments were applied for the cure of different complaints； such as rheumatism； local pains； inflammations； and even tumors； by drawing them over the affected part very lightly for about twenty minutes。 Dr。 Perkins took out a patent for his discovery； and travelled about the country to diffuse the new practice。 He soon found numerous advocates of his discovery； many of them of high standing and influence。 In the year 1798 the tractors had crossed the Atlantic； and were publicly employed in the Royal Hospital at Copenhagen。 About the same time the son of the inventor； Mr。 Benjamin Douglass Perkins； carried them to London； where they soon attracted attention。 The Danish physicians published an account of their cases； containing numerous i
