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MR. WILLIAM CLARKE, AND MR. JOSEPI pawlins, or other coarse or heavy goods.

BUGBY, for Improvements in a Machine The machinery described in this specififor Spinning Hemp, Flar, Tow, and cation, may be used to great advantage Wool.

in spinning long wool for wortterd; and The machinery here described will not although in molt cases it is peculiarly admit of a writieu account that can be adapted to manual power, yet it may be intelligible without the aid of figures. It wrought by water iteam, or any other is calculated to save the heavy expence power, and for coarse and heavy goods of currents of water, erecting spacious with advantage. buildings, water-works, fteain-engines, &c. and to fpin heinp, flax, tow and MR. EDWARD HEARD'S (LONDON,) for a wool, at such an easy expence, as to Discovery of certain Means of obtaining bring it within reach of small manufac- Inflammable Gas from Pit-coal, in sich turers, and constructed upon such fafe a State, that it may be burned without and easy principles, that no length of ex

any offensive Smell. perience will be necesary to enable chil- This invention may be thus described; dren to work the same; and the use of water, lime is laid in ftrata with coals, in a retort Keam, &c. thereby rendered unneceffary, fiove or other closa vesful, in which they and to occupy to little space, that the are placed for operation, or the gas when machines may be placed in finall rooms, produced is Cuffered to pass over lime or out-buildings. To effect the above previoully laid in an iron or other tube, purpose, it was necessary to get rid of the or any other thaped veslel adapted to the Byer upon the spindle used in the old ma- purpose, and exposed to beat.' After the chinery, for spinning hemp and tax, gas has been conducted into a refrigerawhich requires a power in proportion of tory, and all condensible matter is depo. five to one, and to furmount the ditficulty fited, it is then futfered to enter the conthat arises from the want of elatticity in veying tubes, and burned in the usual these fubstances. This want of clafticity manner. The reafon for employing line in the substance to be operated upon, is in preference to other substances is, that, compensated and provided for in this froin a feries of analytical experiments, machinery; and upon this compenfation Mr. H. has deteted the pretence of fuland provilon, effected by the various phur in a great variety of the coals which means mentioned in these improvements, are confuined in this country, and he the return of the carriage without any contiders the fuffocating smell fo perallistance from the work-person, and the ceptible during the combuflion of the traverle for dittributing the yarn upon gas obtained in the ordinary way, to arile bobbins or guills, rett the excellence of from the products of that combustion, this invention. The most imple mode principally the fulphureous acid gas, of compensating the want of 'elasticity, which is then generated. "I present," and wluch the patentees recommend in fays Mr. Ilearsi, " lime in fubftance io preference to the other, is that of having the fulphur, as it is disengaged by heat * holder of large wire for every spindle from the coals, and through their inutual fixed in an arbor or shaft, that extends affinity arrett it in its progrets, and forin from one end of the carriage to the other. a fulphuret of line, or hydro-fulphuret This arboror fhatt, with the holders, may depending on the circumitances of the he conlidered as an enlarged and im- operation. I have reason to conclude prosed lubttitute, for what is called a that any of the fixed alkalies, or alkaline failer in the moll-jennies for spinning carths, or carbonate of lime, when ex. enton. One mode of compensating and posed to a degree of temperature Tuttiprwiding for the want of elatticity in cient to drive off the carbonic acid gas, kemp and flax, and prevent breakages might be fubstituted for limc; but from and other accidents from any tightness economical motives, as well as from con in the yarn, occasioned by any obstruc- ftant fuccefs, I prefer the agency of line," tion, is, by driving the common male Mr. Heard withes it to be diftinctly unspindle with n flack band, having the yarn derttood, that lime, the alkaline earths, to pass orer the holders, or over a cer certain metals or their oxides, wheir tain Fonnd bar, with all the other appa- mixed with the coals laid on their furfalda for Inying the yarn upon the ipin fuce, or put into separate veffels through dles. This method it is said cannot be which the gas is mude to pass, are calcittid to advantage in any cafe, but may Inted in a greater or less degree, to direit be fubfütuted for the other methods de the gas of the cause of the offenlive fideliz ferilord and illustrated with drawings, for buit line be reckons the belt, as well as Spilaning yarn for fail-cloths, fucking, tar the inolt economical.

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VARIETIES

VARIETIES, LITERARY AND PHILOSOPHICAL,

Including Notices of Works in Hand, Domeslie and Foreign, ** Authentic Communications for this Article will always be thankfully received.

,

ORD VALENTIA, the eldest fon titled Wallington, or Liberty Restored. paired a few years since to India, with a' imagery, will rest folely upon hiltoric view to contribute to the extention of truth. science, and to gratily his own curio- Dr. GILLIES announces a History of fity. After his arrival in Calcutta, he the World, froin the Reign of Alexander repaired over-land to Lucknow; and to that of Augulius, comprehending the having accepted an invitation from Mr. latter ages of Greece, and the bittory of Paull, an eminent merchant there, he the Greek kingdoms in Afa and Africa, resided at his house during several months. from their foundation to their destruction; When the rainy season commenced, he with a preliminary survey of Alexanwas accompanied by that gentleinaú der's' caliern conquetis, and a conjecture down the stream of the Ganges; and relative to his plans for their contulidis they had an opportunity of becoming tion and improvement, acquainted with whatever related to a The Rev. WILLIAM Turner, of Neir, river fo famous in the anuals and religi- castle upon Tync, las ready for publis ous rites of the eastern world. In the cation an Abstract of the History of the course of several years' residence abroad, Bible, for the use of children and young Lord Valentia has visited and examined persons; with questions for exainination, a large portion of Afia, and has seen and a sketch of Scripture Geography, ila parts of Africa. Being of a curious and lutirated by maps. inquisitive tarn, he has made a very va- Mr. Marrond is preparing ta publish a luable collection of whatever is rare or new edition of the History of Greece, worthy of notice; and ive are informed from the earliest accounts to the death Kata that the public will be speedily gratified Philip, king of Macedonia, revised and with an account of bis exteolive tra- contiderably augmented, and a fourth vels, printed at the expence of his lord-' volumne entirely new. thip. The exact size and extent of the Dr. Toulmix, of Birminghamn, is prework are not precisely ascertained, but it paring for the press a new edition of a is supposed that it will consist of two or scarce and valuable tract, entitled The three volumes in quarto, with a folio Student and Patior, by thic Rev. Joux volume of engravings. These travels, Mason, M. A. the author of the celes and those of Dr. Buchanan (announced brated Treatise on sell-knowledge. To in our last), will bring us better acquaint- this cdition it is intended to add, tlıç ed with our valt poffeflions in Atia. author's Letter to a Young Vinitier;

Sir Joux Carr will speedily gratify with some notes and enlargements, parthe public with an account of bis recent ticularly an Etry on Catechning, by the excursion into Holland, and up the editor. Rhine as far as Mentz. These countries · Dr. BARDLEY, physician to the Manbave long been objects of coníderable chefer Infirmary, has been foune time curiosity, on account of the great poli- preparing for the prets. and will speedily tical changes which they have undergone, publit, a Selection of Medical Reports and the events of which they have been of Cofes, Obfervations, and Experiments, the scene, since they were lali visited by chicfly derived from bofpital practice; Dr. Cogan and Mrs. Radcliffe. This including, among others, clinical histovolume, like the other popular travels of ries of Diabetes, Chronic Rheumatism, Sir John Carr, will be decorated with and Hydrophobia. numerous views of the places which he Dr. Kindlake is preparing fome Strice visited.

tures on Mr. Parkinson's Observatios Mr. NORTHMOBE has been for a confi- ou the Nature and Cure of Gout, rederable time engaged in writing an epic cently published in opposition to the poein, to be completed in ten books, en- theory ilut proposes the cooling treatment of that disease. The same gentle bruary, at seven o'clock in the evening, man is about to publish additional Cases at his house, Grenville-itreet, Brumlwiek of Gout, in farther proof of the salutary square. efficacy of the cooling treatinent of that Mr. MILBURNE'S Lectures on the afilicting disease; with illnitrative anno- Principles and Operations of Surgery, tations, written authorities in its support, will coinmence on Monday the 9th init. controverfial discussions, and a view of Mr. Davy, in the conclutting Lecture the present itate and future prospects of of the first part of his Courte on Vegethe practice. And also a pamphlet, calle table Chemitry, gavo a new theory to ed the Reviewers Reviewed, containing account for the Fairy Rings, to coinmon general observations on legitimate and in fome meadow lands. They have of lirentious criticisin.

meut

late years, been generally fuppofed to Mr. Jaxson, an English gentleman, be occaljoned by the electric fluid; but, who bas relided fourteen years in Aine- according to Mr. Davy, every fungus ex rica, and has brought with lsim many ląuils the ground on which it grows, fu interesting materials relative to the state that no other can exitt, on the fame fpot : of fociety and manners in that republic, it theds its feed around, and on the feis arranging them for the press; and they cond year, initead of a Jingle fungus as a will speedily appear in a quarto yo- centre, a number arise in an exterior ring, lame, accuinpanied by a number of around the spot where the individual elegant engravings:

tood: these exhaust the ground on which Ár, NATHANIEL LIOWARD, of Ply- they have come to perfection; and, on mouth, has completed a translation, in the succeeding year, the ring beconies blank verle, of the Inferno of Dante, till larger, from the fame principle of with notes hiftorical, classical, and ex- divergency. Mr. Davy acknowledged planatory,

himself indebted to Dr. Wollaston tur Dr. AP, Wilson, of Worcester, has this ingenious theory. nearly ready for publication an Effay on Mr. Davy, in the concluding part of the Nature of Fever,

a Paper lately read betore the Royal Sor Spine Letters and Pofthumous Works ciety, considered the influence of elecof Mrs. Clapoxe are preparing for pub- tricity in the mineral kingdom; its acKication, by one of her relations, tion on the carburet of iron, and various

Mr. THELWALL lins recently extended other mineral bodies; and also its inthe plan of his inftitution in Bedford- portance, as tending to elucidate inany place for the cure of impediments of phenoniem in the fcience of geology. (peech, by an arrangement which admits in the course of this Paper, were dethe introduction of the class of junior tailed an account of leveral original ex papils under the superintendence of Mrs. periments on the effects of electricity ou Thelwall, by whom they are initiated certain chemical menftrna; in al of in all the customary elements of an ac- which the negative pole dilengaged oxycomplithed elucation, including the ru- gen, and the positive hydrogen, ditents of the Englith, French, Latin, The Copleyan Medal has been adand Italian languages, geography, astro-judged to T. A. KNIGHT, Efq. for his domy, &c. This class of pupils is kept mumierous difcoveries in vegetable phylidistinct from those of adult years, who ology. Sir Jofepb Banks, upon prefentcontinue to be attended to by Mr. ing Mr. Knight with the reward of bis Thelwall, in all the higher branches of labours and bighinerit, pronounced a cloquence and English literature. The most able discourse on the pursuits of this public lectures are to be delivered on gentleman. He noticed his researches Mondays and Wednesdays only, till the and observations on the alburnous juices Scalon of Lent; when they will be re- of plants, in its urient elaborating the sumed on Friday evenings allo. buds and leaves, and in its defient form

The Rev. J. Milwer has cominenced ing wood; and of his discovery of the nathe publication of an entirely new edi- tural decay of apple-trees, and of the tion of Fox's origiual Book of Christian, grafts, wluch decline and become unMartyrs. The embellishments will con- productive at the faine time with the pa

of upwards of fifty engravings. rent ftock. The learned Prefident reDr. Reid's Course of Lectures on the ferred next to the experiments, which Theory and Practice of Medicine, will went to prove that all vegetables radiate comendace on Friday the 6th of Feby gravitation only, and not by any iu

Ilitctive stinctive energy; that new and superior churches, apartments, hy merely placing fpecies of apples may he produced from it under the leat to be drawn on. lo feed; and that impregnating the pollen reader the instrument more complete, a was found to be an advantageous subiti- of plate glass Mould be added, of the tute for grafting. He then alluded te faine size as the leaf of the drawing-book the new and very valuable species of on which the dark lines should be drawn. pears produced by Mr. Knight, and to a Mr. Donaldson is preparing for the new fpecies of vines, which bear grapes press, a Treatise on Cominercial Law. not only superor in favour to others li- The secret of the Invisible Girl has therto known, but which are capable of lately been supposed to have been difarriving at perfećtion, even in the most covered, from which it should seem, that adverse reasons, in our climate. For the whole deception consists in a very these, and other discoveries ably enume- tritling addition to the mechanilin of the rated by the learned President, the Cop- speaking bust; which consists of a tube leyan Medal was adjudged to Mr. Knight, from the mouth of the busi, leading to a whose successful labours in this branch of confederate in an adjoining room, and natural history, bave probably furpassed another tube to the faine place, coding those of any other philofopher, in deve in the ear of the figure. By the last of loping the economy of vegetation, and these a found whiipered to the ear of the the laws of vegetable lite.

buit, is immediately carried to the conDr. ROBERTSON, Savilian Professor of federate, who instantly returns an answer Geometry at Oxford, bas lately present by the other tube ending in the mouth ed to the Royal Society, a Paper on of the figure, who seems to utter it: and « The Precession of the Equinoxes;" in the invisible girl only differs in this cirwhich he has fuggefied some new me- cumftance, that an artificial echo is prothods of ascertaining, with grcater accu- duced by means of certain trumpets; racy than has hitherto been done, the and thus the found does not proceed in calculations of compound rotatory motion. its original direction, but is completely

Mr. Smith exhibited to the Society of reversed. Antiquarians, a silver ring about an inch Mr. CIMBERLAND and Sir JANES in diameter, with twelve points, refem. Bland Burgess will Thortly publish a bling the teeth of a wheel in clock-work, Poem, entitled, the Exodiad. The in one of which was a rowel, which pro- subject is the departure of Israel froin jected a little more than the others. Mr. Egypt. S. imagines that this ring was used as a Mr. SOUTHEY has in the press a Traorchaplet in the days of the catholic reli- lation of the Chronicle of Cid, from the gion in this country;

and that each point Spanish. was to indicate a prayer, as a help to Dr. Maltby has undertaken to fuperthe memory, or to those who could not intend a new edition of Morell's Thejane read.

rus Greca Poczos; a work long wanted The Literary and Philosophical So- by the clallical scholar. ciety at Newcattle-upon-Tyne, continues The London Medical Society proto fouridhi: many valuable Papers were pose to confer the Fothergillian gold communicated and read to it in the 'inedal npon the authors of the bett ellys course of the last year. Much of the on the following subjects. prosperity of this Society mult be referred

Queftions for the year 1807.-The best ac. to the labours and zeal of the Rev. Wil- count of the epidemic fevers which lave preliam Turner.

vailed at several times in Nerth America, Mr. CUMBERLAND has lately given to Spain, and Gibraltar, since the year 1993, the public a description of a very simple and whether they are the same or different and useful scale for dividing the vanilha diseases? ing lines in perspective. It is thus form

For the year 1808-What are the best meed': take a sheet of paper, and having thods of preventing and of curing epidemic made an horizontal line, tix on a point,

dysentery?

For tbe year 1809... What are the criteria as a centre, called the point of light; by which epidemic disorders that are not inthis point is crolled with diagonal lines fectious may be distinguished from those that in various directions; and thus an instru- are? ment is prepared, that will be a fure For the year 1910.- What are the qualities guide to an inexperienced eye, in taking in the atmosphere most to be desired under the the perspective lines of all ohjeets placed various circunstances of pulmonary con: at right angles, such as strects, buildings, fumption?

The

The Unitarian Society, which has dif- would excite in the air strong commotions tinguiibed itself by the publication, in a capable of thaking the particles of water cheap form, of very many valuable theo- adhering to it, so as to produce abundant logical works, is now about to print a very rain : this is to be done by the found of large edition of the New Testament, chiefly great bells, the noise of guns or drums, from the tramilation of the late venerable by the detonation of the fulminating Archbishop NEWCON BE.

powder, and by tbe explosion, in the It has been lately recommended that, middle of the clouds, of rockets directed excepting the lancet employed in towards the place where the clouds are vaccination, all the infiruments of lur- thickett. (2.) He would ettablish energery ought to be dipped into oil at the getic conductors between the clouds and moinent when they are going to be used; the earth, either by fires lighted from by which nethod ihe pain of the subject dittance to distance, and kept burning by operated upou will always be dininished. fupplies of dry fubítances, or by the dis It is recommended to inake all instru- engagement of bumid vapours, or the ments of a blood-heat a little before the combustion of relinous matters. (3.) He operation.

would draw off the electric fluid, which Prurjia.

is in fuperabundance in the clouds, by a Mn. HELUDSTADT, of Berlin, gives multiplicity of thunder-rods: he would the following as a cheap Method of ob- establish these conductors on those lides taining the Sugar of the Beet-root:- from which the winds chiefly come, and Let the beet-ronts be pounded in a mor- these are to be placed on elevated places, tar, and then subjected to the press; high trees, &c. We are informed, that the juice is next to be clarified with liine, the practice recominended in this Melike that of the sugar-cane, and then by moir, is made use of in inany parts of evaporation bring it to the consistence France with the greatest fuccess. of iyrup. From 100 lbs. of raw fugar Dr. CARRADORI, in opposition to the thas obtained, 80 lbs. inay be bad by experiments and conclutions of Mellrs. the firit regning, of well-crystalized sugar, Huinbolt and Gay Lufac, affirms that inferior neither in quality nor whitenets ebullition is not fufficient to free water to tlut of the Welt-Indies. Two days from all the oxygen that it contains; and ire luificient to complete the operation. that nothing but congelation, and the Germany

refpiration of fithes, can entirely clear A now branch of science, eutitled, water of its oxygen.' These, he says, are Mnemonica, is now inuch studied in Ger- the only means that complete the fepamany. It was originally taught and ration from water of all the oxygen it practifed in Egypt and Greece, and was contains interpofed between its globules. an intention attributed to Simonides. Fishes he conceives to be the eudiometers The modern -reliorer of this art is M. of water; and one of these, fhut up in a Austin, who exacts from his pupils a body of water, is capable of feparating, promise not to write down his lectures. by incins of its relpiration, in several According to a book, said to have been hours, all the oxygen from the water, written by a child of twelve years of age, and to exhaust it entirely from this prinand mentioned in the catalogue for the ciple. By several ingenious, but cruel, laft September fair at Leiplic, mnemonica experiments on fill, this philosopher

a true science, and may be fo tanght proves that melted snow, as well as us to give a memory to individuals of water that has been congealed, is deevery age.

prived of all its oxygen. France.

M. LEROS, who has made many fucM. LESCHEVIN, Chief Commissary for cessful experiments in agriculture, adGunpowder aud Saltpetre at Dijon, has vises perlons by no means to procure fuggested a method of averting flowers grain for fowing from a loil north of their of hail, and diffipating storms. The Me- owo land, but from a country south of moir in which he has related the disco- it.;

because he says it is a general rule, very, as he conceives, is long, but we that the product or seed improves in gofhall be able to present the Englisi reader ing froin fouth to north, and that it dewith the results in few words -(1.) He creases in virtue in going from north tó

fouth. He recommends boiled carrots A gentlesaan knows to the writer of this as an excellent and cheap food for the anlde, can, by the power of association, re. peat backwards and forwards, or by any com

firttening of pigs; and he alids, that by plex alternation, thirty abstract terms, on teeping raw carrots in water to deprive bridg them repeated but enge.

thein of their acrid principle, then by

boiling

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