« PredošláPokračovať »
nails, which were numerous, nor the ton, and for the plates which exhibit timber. The stable overflowed during fo many various views of it, we must the storm, but as there was a drain, refer to the Philosophical Transactions. the water sunk into the earth.
V. Account of the Organ of HearSeveral finall panes of glass in a win- ing in Fish. By John Hunter, Esq. dow, about seven feet from the itricken F. R. S. corner of the building, were broken; We presented our readers with this but as no traces of the lightening could curious paper, at full length, in the be discovered, the accident probably department of the Magazine allotted to was occasioned by the general concuf- Natural History, in August last *. fion.
VI. Account of a new Electrometer. On examining the lead on the roof By Mr. Abraham Brook; communiof the house, in one place were disco- cated by Sir Joseph Banks, Bart. P. vered three marks of fusion; and three R. S. others on the piece of lead which it co (Read May 30, 1782.) vered, exactly correspondent. The tim This instrument seems to be a curious ber underneath was not damaged, but invention. But we must refer those, the two pieces of lead, in all probabi. who are desirous of a particular account lity, touched each other in a melted state. of it, to the original paper. Any de
On examining the rod of the con- scription, indeed, without the plates ductor which was nearest to the parts which accompany it, must be almost of the building affected by the lighten- unintelligible. ing, they could find no mark of fusion, Mr. Brook thinks that he is not, or other injury. At the bottom of this perhaps, fully acquainted with the conductor, however, where, having advantages of his Electrometer over joined that from another chimney, it those now in ufe. He, therefore, leaves terminated in the drain, a small bright the discussion of them to others, left he spot appeared, which the lightening should be prejudiced in favour of his was fufpected to have occafioned.
own contrivance. The great merit of Clote to one of the chimneys hunga this invention appears to consist in its dinner bell, which received no injury, speaking a language universally inand did not appear to have faifered, in telligible. the leatt, from the lightening.
VII. A new Method of investi. Such is the account which Dr. Blag- gating the Sums of infinite Series, by den and Mr. Naime laid before the the Rev. S. Vince, A. M. of CamRoyal Society. They only ftate facts, bridge, in a letter to Henry Maty, and relate appearances, as they pre- A. M. Secretary. fented theintelves to their view, du
(Read june 6, 1982.) ring a very minute and accurate investi The doctrine of series is of fich iirgation. Not more fo, however, than finite use in almost every branch of the important business before them Mathematical science, that we cannot seemed to demand. They do not at-' be surprized it has been cultivated by tempt to account for the dainages which the most eminent mathematicians of the itorm occafioned, in defiance of so every age and country. But though many conductors ; we thall, therefore, much has been done on this subječt, be obliged to any of our ingenious there yet remains much to be done in readers who are conversant in these it. The fums of numberless different difquifitions, if they would favour us kinds of feries are yet to be investigated; with their fentiments on this subject. and in many of those series which have In order to gratify them, we have already been thewn to be summible, given so long an analysis of this paper. perhaps more elegant modes of investiThe accident was fingular, and the gation, or more convenient formulæ, Causes demand investigation.
exprcfive of their values, may yet be For the accurate measurements of va- discovered, or these formula
be rious parts of the building at Hecking- rendered more general. In the three
lait * See Londoa Magazine for August 1783, p. 1076
last particulars Mr. Vince's paper me
the series is + or How, then, rits great commendation,
the sum of the series, taken ad infinitum, The paper is divided into three
can be equal to 1-; or, indeed, how parts; the first of which contains a new and general method of finding the sumns the series, taken in that manner, can of such feries as those which have been be said to be summible, is surely fomeconsidered by M. De Moivre Lib. VI. what mysterious. It is true, several Cap. 3. Miscel. Analyt, where he has very eminent mathematicians, both at found the fum in one or two particular home and abroad, have thought series, cases; but his method, so far from be- somewhat like these, worthy of their ing general, as it appears to be, will, confideration; and have given exprefon trial, be found utterly impracticable fions, fimilar to this of Mr. Vince, for in muit cases. The second part con
the fums of them: they have also, like tains a method of investigating the him, shewn, in particular cases, that no fums of certain feries, in which the last errors can arise from considering thoseexdifferences of the numerators of the pressions, as the fums of such series; but feveral terms become equal to nothing. as we conceive that every useful purAnd the third part is employed in pose which has been effected, by using pointing out and applying a correction, such doubtful and mysterious elements, which is necessary when the sums of may be done without them, it is rather certain series are investigated, by collect. to be wished they were used as seldom ing two terms into one. This part,
as possible; and never, when the thing though very ingenious in many respects, under consideration can be obtained by sets out with a lemma, that to us ap- other means. pears extremely paradoxical, namely,
We would not, by what is here said, that the sum of the series
be understood to have insinuated that the use this truly ingenious mathema
tician has made of the series, men+ &c. continued ad infinitum is
tioned above, has led him into any
mistakes. On the contrary, there are equal to -. Now, nothing can be fufficient reasons for believing (but
these reasons arise from other princiclearer than that if any even number of ples) that it has not. What we have terms, whatsoever, of this series be here advanced, is to be understood only taken, the sum of them will be equal as a caution to those who are less dexto nothing; and if any, odd number, terous than he is in the handling fuch whatsoever, be taken, the sum will be flippery materials, how they arrempt +1
according as the first term of to build with thein.
Art. XXIV. L'Ami des Er fans. Par M. Berquin, on foucrit a Londres, chez M. Elmsley, Litraire, dans le Strand. 12 mo. Elmsley.
THIS very ingenious, and, indeed, hall, however, lay the prospectus before entertaining little work, seems admi our readers, and at the same time, we rably calculated for the instruction of recommend thefe books very strongly children. It confifts of stories, and to their attention. For there, perhaps, dialogues, in which the dispositions was never an elementary work pub. and feelings of infantine years are with lifhed, in any language, which was fo great skill developed.
admirably adapted to the conceptions We shouid have translated fome of and ideas of children, and so well calthe pieces, which are contained in these culated to promote their entertaiment finall monthly volumes, if we had not and instruction. been informed, that M. Berquin pro
PROSPECTUS. poses to publith his wo.k in Engliin, “ The intention of this work is as well as in French, in order to facili- twofold. It is the author's wish to tate the progress of the student. We amuse his infant readers, and to lead
them to virtue, by displaying it only little dramas will always prove a doin characters the most amiable. Their meitic feast, and a certain fource of youthful imaginations hare long been amusement. The parents will conled astray, by extravagant fictions, and stantly have a part ailigned them, and mariellous fables. In these volumes, will enjoy the sweet delight which achowever, they will find only fuch al. companies the tharing of the diverfiors ventures related, as may happen every of their young family. It will be day in their own families, while the come a new bond of affection; it will fentiments which they endeavour to mutually attach them more tenderly, inspire are not too exalted for their by pleasure, and by gratitude. tender understandings.
“ N. B. Independent of the moral “ The persons of the drama are their utility of this work, it will assist them rarents, and the little companions of very considerably in the study of the their youthful sports; the fervants who French language. The greater part of attend them, and the animals which the books which are put into their custom renders familiar to them. hands are either above the level of
They all express themselves in their understanding, or have no contheir own simple and unaffected man nection with their ideas and sentiments.
They are interested in every In these voiumes, however, every obevent, and gave way to the impulses ject that is introduced to them muit of their little pallions. They are pu- spur their curiosity, and interest them nished for their faults, and are recom- deeply. It is absolutely necessary, that penced in the pleasure attending their they should fansiliarise themselves with good actions. Every thing concurs in the modes of expresfion which are emurging them to cherith virtue, as the ployed in describing their wahts, their source of happiness, and to abstain from tastes, and their pleasures.” vice, as the origin of sorrow and humi- CONDITIONS of the SUBSCRIPTION. liation.
“ From the ist day of May, 1983, “ It is, perhaps, unnecessary to ob- one volume of this work shall be pubferre, that this work is equally adapt, blished on the ift, and on the i5th ed to both sexes. At so early a period day of every month, until there are as of life the difference of their tastes and many published as have appeared in characters is not fufficiently marked, to the Paris edition. require separate modes of instruction. “ Parents may make this work ciIt has rather been the author's wish to ther an object of reward or of punishincrease the intimacy between brother ment. The views of the author will and sister, and to render it as firm as it be equally answered in both instances. is amiable.
The volumes, on this account, how“ It is proposed that the plans of ever, will be diftributed, with the moit the histories which compose these lit- fcrupulous attention on the day aptle volumes shall be disimilar; and pointed; and a volume in advanie that no one shall be inserted, of which will always be printed, in order to prethe effects have not been tried upon vent disappointments.” children of different ages and capaci
The remainder of this profpeétus reties. Every paslage is omitted which lates the size and price, for which we did not appear interesting and impor muft refer to the book. The allow tant.
ance to dealers is liberal. “ In every book there shall be a lit M. Berquin's plan is so ingenious, tle drama, in which the principal per- and he displays fo much merit in the fons shall be children; in order to give execution of it, that, we should fupthem a fettled countenance, graceful- pose, he could not fail of success, in ness in action and behaviour, and an a country where the French language unembarraffed mode of speaking in is esteemed so necessary an accomplishpublic. The representation of thcsement,
Art. XXV. An Essay on the Bite of a Mad Dog, in which the Clain to Infallibility of the principal preservative Remedies againji the Hydrophobia is examined. By John Berkenhout, M. D.
THE subject of Canine Madness, tural, and, therefore, cannot be of any though it has engaged the attention of practical use; he proceeds to confider the ableft playsicians in modern times, the theriacas and antidotes of the anhas hitherto remained somewhat ob- cients; Dr. Mead's powder; the Tonfcure. In the curative part, in parti. quin receipt; and the Ormlkirk medicular, there have been very great defects; cine: all which he condemns as ineffiand the loss of the patient has often cacious, and not to be trusted to. How been owing, we have reason to believe, do we wonder at the credulity of the to a want of employing suitable means, public, who purchase, as an infallible and not to an incurableness of the dif- remedy againit the most formidable maease itself.
lady under which we can labour, the The author of this essay seems to Ormikirk medicine, which, “ from have written in a more rational way the report of Dr. Black and Dr. Heythan many of those who have gone be- ham, appears to consist of poveder of fore him. He first considers the seve- chalk, half an ounce; Armenian bole, ral names by which the disturbance in three drachms; allum, ten grains; powthe animal frame confequent to the der of elecampane root, one drachm; oil bite of a mad dog has been called; of anise, fix drops!" and is of opinion, that not one of He next examines the pretensions to them has been properly applied; thinks the efficacy of dipping in the sea, and that the disease has been wrongly ar- Itrongly reprobates, as Dr. Fothergill ranged by nosological writers, Dr. has done, fuch a practice. Cullen excepted; who, it appears, has Before he enters on the curative placed it under its proper class. The means which he would have us pursue, Hydrophobia is, according to our au- he juitly pailes the feverelt cenfure on thor, a species of angina convulova, or the pernicions dottrine" of Dr. Mead, Juffocatita.
who has openly declared, that it is of Having regulated the name and ar- little consequence whether the wound rangement of the disease; having de- is attended to or not! scribed the symptoms, as they thew Dr. Berkenhout judiciously thinks themselves in brutes and in man; and in a different way, and directs that the having related the appearances which first attention be bestowed on the have been observed, by different au- wound, and that “ the perfon bit imthors, on dissection; lie next examines mediately apply his mouth to the Dr. James's notions on the seat of the wound, and continue to suck it dupoison, and the mode of infection, ring ten minutes or a quarter of an which are too absurd to escape his ridi. hour, frequently spitting out, and cule. He cautions us not to imagine washing his mouth after each time with with the Doctor, that there will be no water, warm or cold, no matter which. infection unless the cuticle be ruptured; If the wound be in a part of his body for that, we are assured, is no de- which he cannot reach with his mouth, fence against canine or any other poi- poslibly he may prevail on some rational son, if the application be continued friend to do him this kind ofiice; elpesufficiently to give time for its abforp- cially when I assure him, positively aftion: it is, therefore, necessary, when sure him, that it may be done without the faliva of a mad dog touches any the least danger.” Suction has been part of the skin, to wipe it off imme- used with almost never-failing success, diately, and wash the spot."
from the earliest times, as a cure for After having explained the true man the bites of serpents and poisonous aniner in which the infection is taken, mals of various kinds; but this author and hewn that all our knowledge of is the first that ever advised it in a the nature of the poison is but conjec- wound received from a mad dog, though
it is rather surprizing it was never conjecture, “ that the lard or fat of the thought of before. There can be no mercurial ointment is the real prefervadoubt that it will be equally successful tive” seems to have been formed rather in this as in other cases, and that it is in haste. an operation that may be performed Upon the whole, however, we have with the greatest safety, if the precau- read this Essay with much satisfaction; tions which the author gives are duly and, to do justice to the Doctor, it observed.
must be said that he has a claim to the Besides this, cupping glasses may be thanks of his fellow-creatures, and applied; and we are directed to dress more especially of the profession, for the wound with an ointment composed the pains and atention he has bestowed of equal parts of the Emplaftrum Vefi- on the subject; for the correction of catorium, and Unguentum cæruleum. the errors of preceding writers; for the
When infection has taken place, the condemnation of several ineffectual only remedy upon which the Doctor means; for the demonstation of the depends, is mercurial inunction,
inefficacy of the most popular remedies; Perhaps, the author's advice, that and more especially, for the happy fugthe patient "drink to intoxication of gestion of a ready, safe, and certain any strong liquor" might with pro- prevention *. priety have been with-held; and the
Art. XXVI. The Praxis: or, a Course of English and Latin Exercises. For the Use of Youth in the lefjert Schools. By Henry Bright, M. A. Mafter of NewCollege School, Oxford. Rivington.
THIS praxis contains many useful kind must acquire knowledge by flow hints, and the exercises prescribed in degrees, and by regularity of appliit may be serviceable. The proposal cation. of extending the Praxis, which the
The principal fault which learned Bishop of London has given in find in this book, is, that our author his Grammar, as a specimen of Gram-' did not divide it into two parts; as matical resolutions, deserves attention. the advice for masters hould not have To instruct the scholar in finding been joined with exercises for scholars. the derivation of words, would un Mr. Bright, however, appears to be an doubtedly increase the utility of the ingenious man, and writes Latin, not kishop's plan, and render it of greater altogether unclaffically, though there advantage to the student.
is little display of taile in his compoTo initiate youth, at an early period, fitions, and more efpecially in the into the mysteries of composition, is copies of verses which he has given, easier in theory, perhaps, than in prac- in various parts of his work, as examtice. Mr. Bright may argue on the ples for the imitation of students, who utility of adopting such a mode, but, are ambitious of writing either the in our opinion, numberless difficulties English or Latin languages with ease attend the accomplishment of an end and elegance. fo defireable. Neither teachers nor Our author, likewise, attempts to scholars should proceed toe rapidly. comprise too much in one volume. Whoever contrives to finooth the He would present us with the Iliad in rugged path of education renders in a nutshell. For this Praxis profeties effential' fervice to the community. to give " a series of exemplifications, But it must be remembered, that Rome hon an initial one for a beginner at was not built in a day, and that man- fchool, to such as are applicable to the
capacities * The reference to Dr. Birkenhcut's Effay on the Bite of a Mad Dog, to which we were indebted for the new and important advice of fucking the wound, through lom: omillion, was not inserted in the Obfervations ori the Nature and Cure of the Hydrophobia, in a former Magazine. For dita:e and dbxcen:s, tko errata in the fume Oblervations, withould read dilute and diluents.
+ We are surprised that Mr. Bright should deform his title-page with lo harsh a barbarism as LESSER. We imagined that this world would no more have obtruded itself into modern productions, in de lance of the censures of Lexicographers and Grammarians. We could not withiold this remark, as the work before us is avowedly the production of a schoolinalter,