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fire, that the Stereotype plates may be per cent. will accrue to the public in intiantly put to press, instead of going the prices of all books of ftandard rethrough the tedious operations of move putation and sale, which, I believe, are able type printing; and thus no lofs will pretty accurately ascertained to combe fullained from the works being out of prehend THREE FOURTHS of all the book print.-6thly. In Stereotype, every page printing of England, Scotland, and Ireof the most extensive work has a separate land. It is fair to conclude, therefore, plate; all the pages, therefore, of the said that the fales, both at home and abroad, work, must be equally new and beautiful. will be contiderably increased, and that By the old method, the types of each theet the duties on paper will be proportionally are difiributed, and with them the suc- productive ; fu that the public will be be ceeding fleets are composed; so that, al- nefited in a twofold way by a general though the first few theets of a volume adoption and encouragement of the Stemay be well printed, the last part of the reotype art. With this view, I think the fame volume, in consequence of the types period is now arrived when I ought to being in a gradual state of wear as the announce to all the respectable clafles bework proceeds, will appear to be exe- fore mentioned, particularly to Printers cuted in a very inferior inander.- and Booksellers, that I am fully prepared 7thly. The Stereotype art poflefles a to enable thein to participate iu the adsecurity against error, which must stamp vantages to be derived from the Stereoevery work so printed with a fuperiority type art, in any way that may be most of character that no book from move conducive to their particular interests, able types ever can attain. What an either individually or collectively. With iraportant confideration it is, thai the in- respect to the improvements by Earl Stanaccuracies of language, the incorrectness hope in the construction of printing-prelles, of orthography, the blunders in punctu- I deny that it is poflible to introduce the ation, and the accidental mistakes that principles which command the power are continually occurring in the printing and regulate the truth of this ingenious of works by moveable types, and to invention of his Lord/hip's mto the comwhich every new edition fuperadds its inon working prefits hitherto in general owa particular fare of crror,--what a use." gratifying security it is, that all delcrip- An Encyclopaedia of Manufactures is tions of error are not only completely announced, in which it is intended to cured by the Stereotype invention, but trace every raw material from its growth that the certainty of the Stereotype plates until it is delivered into the hands of the remainining correct, may be almolt as workman, to develope the various modes fully relied on as if the pollibility of error of its fabrication, to point out the imdid not at all exist !-If there observa- provements each art has received, and to tions be just with reference to the print- detail the history and progress of the iming of English books, how forcibly must provements, with hints for their farther they be felt when applied to the other extension and simplification. It will be languages generally taught in this coun- completed in eight or ten volumes octavo; try!- ww much inore forcibly when ap- and it is intended to publith a part every plied to those languages which are the two months, containing fix theets of let. nauve dialects of the most ignorant classes ter-préfs, with a fufficient number of throughout the United Kingdom, but plates to illustrate the different subjects, which are as little understood as they making a volume annually.. are gwierally spoken!-8thly, Stereotype The minutes of the lalt Conference of plates admit of alteration; and it will the Methoditts, held at Leeds in Auguit, be found that they will yield at least 1306, reprefent the numbers of that for twice the number of impressions that ciety to be as follows: moveable types are capable of producing.

In Great Britain

110,803 laftly, All the preceding advantages

In Ireland

23,773 may be perpetuated, by the facility with


40 which Stereotype plates are cast from Ste

Nova Scotia, New Brunswick, and reotype plates. Such is a general outline


1,418 of the present state of the Stereotype in- Welt-India Whites, 1,7752

14,940 vention; and fuch are the obvious ad- Coloured people, &c. 13,165) vantages arising from it to learning and United States-- whites, 95,6282

119,945 to ignorance,-to every state and con- Coloured people, &c. 24,3105 dition of civilized life. From the whole

Total it results, that a faving of 251, to 401,

270,919 MONTHLY Mac., No. 156.

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Of these upwards of 109,000 are found to a committee of thirty-fix gentlemen, - in England and Wales, to which may be together with a treasurer and secretary; added 109,000 more, who have not ven- and to a committee of twenty-four ladies tured to have their names enrolled; and is to be exclutively coufided the manageto these may be added the younger ment of its internal economy. branches of farnilies,making about 218,000 The number of Printing Offices in more, forming in the whole nearly half a London are upwards of two hundred, million of persons !

and they employ at least 500 preffes. In Mr. OLINTHUS GREGORY, A. M. of Edinburgh there were in 1705 fix printthe Royal Military Academy, has in the ing-offices; in 1790 twenty-one; in 1800 press a translation of the Abbé Haüy's thirty; in 1805 forty. In the 40 printTraité Elementaire de Physique, with ing-offices' now in Edinburgh are emnotes. The tranllation will make two ployed upwards of 120 printing-presies. handsome octavo volumes, and will be Mr. Dibdin has in the press(to be pubpublished in a few weeks. In conjunc- lished by subscription, and to be completed tion with Mr. Gregory's Treatise on Aftro- in twenty-fix parts or numbers, crown nomy, and his Treatise on Mechanics, it folio), a new periodical work, confifting of will constitute a complete course of Natu- a series of thort and simple Efays and ral Philosophy, including every modern Songs; calculated, in their general opediscovery.

ration, progreslively to assist the musical Mr. West, an eminent printer and education of young ladies at boarding bookseller of Cork, is preparing to pub- fchools, called the Musical Mentor, or St. lifh twenty-four Picturesque Views of Cecilia at School. The whole written Cork and its Environs, engraved by Mr. and composed by himself. The firft part F. Calvert; accompanied by appropriate will appear about the end of May. descriptions and illustrative notes, written Mr. Rigo has laid before the Royal by himself,

Society a proposal for a new Compenfae A second edition, revised and confider- tion Pendulum. In the course of various ably augmented, of Conversation, a di- experiments he has discovered that of all dactic poem, by William Cooke, efq. the modes of compensation, that of triwill be published in a few days. angles is the bett. He has accordingly

Mr. Jonn Taunton, Member of the conttructed one of triangles, two lides of Royal College of Surgeons in London, which are steel, and the base brass or Surgeon to the City and Finsbury Dif- zinc, which expands twice as much as pensaries, &c. will commence his Lec- steel; and hence the expansion of the tures on Anatomy, Physiology, and Surge- ldes is properly counteracted by the exry, on Saturday, the 30th of May, 1807, at pansion of the base. In this way Mr. R. No. 21, Greville-itreet, Platton-garden. affirms that pendulums may be construct

The number of thipwrights necessary ed of any series of triangles, that would for building ships of war within twelve continue the farne length throughout all months are respectively as follows: climates and seasons.

We have in our number for February Мея. Guns. About Tons.

already noticed a new theory, advanced 74 1,700

by Dr. WOLLASTON, and cited by Mr. 900

Davy, in his Lectures of the Fairy Rings.

430 "Brig


A paper from Dr. Wollaston on this sub7 Gun Vestel


ject has been read to the Royal Society,

of which we shall hereafter give a more A new inftitution for the reform of fe- detailed account. male proftitutes is about to be established Another paper, by Capt. FLINDERS, in London, under the name of the Lon- on the dip of the Magnetic Needle, has don Female Penitentiary. The object is been laid before the Royal Society. In the same as the Magdalen; but compa- a future nunber we Shall notice the corrative advantages will result from peculi- rections of his former paper on this fubarities in the respective plans : and dif- ject. tinguishing features of the London Fe- Mr. Belrour's verlion of Yriarte's Pomalc Penitentiary will be the co-opera- em on the Dignity and Charms of Music, tion of intelligent and pious ladies in the is in the prels, and will speedily appear. regulation of the charity, and a prompt Mr. E. WALKER has invented a new admission of applicants into a temporary optical machine, called the Phantasındward. The external management of the fonpe, which is intended to afford enterfairs of the Institution is to be entrusted tainment to those who derive pleafira


47 27 11 9


froin optical illusions. To a person stand. fcent to the earth, will come down in the ing before this machine, a door is appa- form of hail. rently opened, and a phantom makes its Dr. Clanny, of Durham, has just pubappearance, coming towards bim, and in- lished an History and Analytis of the Minecreasing in magnitude as it approaches. ral Waters at Butterby, near that city. This phantom appears in the air like a

Rujia. beautiful painting, and in such brilliancy The mineral waters of Lipetzk, in the of colourmg that it is not necessary to province of Tambow, in Ruthia, have make the room dark; this picture appears lately been analysed by M. Skell, and to the greatest advantage when it is il- are found to contain in one pound as folluminated. Mr. W. has applied his ma- lows: chine to represent the phases of the Carbonat of iron 34 grains moon, the primary planets, and other

- of lime phenomena in the heavens.

Muriate of magnesia Mr. CORNELIUS VARLEY has laid be

of soda

22 fore the public fome remarks on atmo- Sulphate of lime Spherical phenomena, particularly on the

of foda

i nearly formation of clouds; their permanence;


Tbo their precipitation in rain, snow, and from this analysis, and other accurate kail; and the confequent rise of the ba- obfervations, it should seem that the warometer. The inferences (drawn by this ter of Lipetzk has fome analogy to that of gentleinan are, 1. That no cloud can be Pyrmont: it has, however, less of the ire firmed, or exist, without electricity. 2. ritating quality, with regard to the 'carThat no cloud can fall in rain till it parts bonic; le of the power of folution with with some of its electricity. 3. Thut in respect to falts, and more of the tonic powfine weather the earth must be giving ers of iron. On these accounts M. S. afelectricity to the atmosphere by means of ferts that the water of Lipetzk stimulates, vapour, and in storiny weather the at- gives vigour, increases the casticity of the mosphere must be giving electricity to the muscular fibres and the activity of the orearth by means of vapour, rain, or light- gans, enriches the blood, and imparts ning. 4. That in fine weather the clouds more colour to it; while on the other are separating, and in stormy weather hand it liquefies tenacious, Ilimy, and uniting. 5. That electricity is the fuf- condensed fluids, removes obtiructions in pending power in clouds. 6. That dry the canals, qualifies the tharpness of hu. air is a conductor of heat, but a non-con- mours, and dettroys worms. dućtor of electricity. 7. That water can

Prance. exilt perinanently in four states, and tem- The public will soon be presented with porarily in one only. Two of these are the Narrative of the Voyage of Discovery effected by clectricity, and three without in the South Seas, performed during the it. The first electrical state is that of years 1800, 1801, 1802, 1803, and 1804. cloud, which is so much charged as to be- It will comprehend the historical part; come lighter than air at the surface of the manners and description of the peothe earth; the second is a complete satu- ple; and the department of natural phiration of water with the electric fuid, lofophy and meteorology, forming togewinch produces a transparent and elastic ther four quarto volumes ! It will be fluid light enough to float above the drawn up by Mesirs. Peron and Lehighest clouds. The first of the three Sueur, and will be printed at the expence other states is ice; the fecond is liquid; of the government. The part coutaining the third, which is quite temporary, is the natural history will be published by tapour; for, as soon as the supply of heat fubfeription. by which it is raised from the earth is M.Tenon has lately presented to the Nawithdrawn, it condenfes, and returns tional Institute a description of the teeth of again to the state of water. A confe- the cabalot and crocodile. The teeth of quence of this theory is, that when a the former have no enamel, but only the of cloud loses its electricity in an atmo- feous cortex. The one, we are intormed, (pbere below the freezing point, then fnow may be ealily diftinguithed from the other is produced, for the vapours will be because the enamel is much harder, and frozen in the act of uniting: and parti- is entirely diffolved in the acids, without cies of moifiure united into rain, and leaving any gelatinous parenchyme. The palling through a cold region in their de- tulks of the elephant, and the granders of the bear, have no other enve- watch is regulated; and at any other lope.

time of the day a new altitude, with this The same able anatomist is about to exact time being known by the preceding publish an important work on the eye, and operation, will give the true laticude, the diseases to which it is subject. He Commiflioners have been appointed to has made several new remarks upon the examine this method, who report that it parts which surround this organ: he has will give the latitude very exactly, what, found some tendinous lumps which tie the ever may be the error in the latitude by straight muscles to the anterior edges of account, when, as the method requires, the orbit, and serve them for a kind of re- one of the two altitudes shall have been turning pulley, and binder them from taken exaćtig at the passage by the princ compresling the cye-ball: he has deve- vertical, or very ncar it. loped a membranous tunic which sur- M. LEUPOĻD has lately read to the Sorounds the eye-ball, attaches it to the two ciety of Arts and Sciences at Bourde aus, angles of the orbit by two kinds of wings, a Memoir upon the Generation of Surpasses into the pupils, and is there re- faces of the Second Order. All of thein Hected behind the tarli, and gives a pal- may result from one cominon generation, sage to the tendons of the muscles : he which is executed by a curve of the fehas established a new opinion upon the cond kind variable in its didientions, and agents which transmit to the iris the ac- moved in fuch a manner that its plane tion of the retina, and by which the im- may always remain parallel to iuleli

, pressions received by the latter dilate or The equations which point out this cir. contract the other, these agents he finds cumstance give the law of the motion of in the ciliary processes, the tongues of the generatrix. This curve will be an which are prolonged behind the iris, and elliplis for surfaces having a centre, and the tails of thein touch the retina. a parabola for surfaces having no centre.

M. Tenou has also discovered that the In the case where each of the points of hare-lip sometimes proceeds from arent of the generating curve bas a right line for of the maxillary bones, sometimes from its direction, the surface may be engen, a rent in both; and he attributes the dered by a straight line moved in space. cause of it to a disproportionate dilata- The analytical condition for this to haption of the tongue. "He asserts that it is pen indicates the hyperbolic paraboloid, highly dairgerous to perform any opera- and the parabolic cylinder. The comtion for the hare-lip at the time when the mon generatrix to all these surfaces may teeth are cutting

become a circle, except with regard to M. DUVERNOY, a young physician, has the two last. presented to the National Institute a Me

A magnificent work is announced at moir upon the Hymen, in which he has Paris by Meflrs. TREUTTEL and Wurtz, fhown that this fingular membrane, hi- under the title of Voyage Pittoresque de therto generally regarded as peculiar to Conftantinople et des Rives du Botplore, the human species, is also found in every which is to contain forty-eight plates, and animal.

to be published in twelve parts, accom M. BARTHEY, professor of Montpelier, panied by fuitable texts; printed by Didot. has re-written his celebrated work upon The price of each print will be 100 the Elements of the Science of Man, francs to the subscribers at Paris, and the which it is expected will produce a kind first part is to appear in May. of revolution in the science of physio

America. logy.

Mr. J. D. Burk has recently publithM. Ducom has given a new method of ed iwo volumes of the Hittory of Virgidetermining the latitute at sea by two al- nia, which will speedily be followed by a titudes. It is founded upon this princi- third and fourth. We onderstand that ple, that the time which we deduco from this Hiftory of Virgivia is not only valuan observation made at the moment the able as the production of a supezor pen, fun passes by the prime vertical is exac, but also from the new information with whatever may be the error which affects which it abounds, every diftinguilled chathe latitude ty account, which is requiliteracter of the Union, particularly the preto be used in most of the methods now lident Jefferson, having contributed mafollowed. By this first observation, and auscripts to the historian. the exact time to be deduced from it, the

MONTHLY MONTHLY RETROSPECT OF THE FINE ARTS. The Uje of all New Prints, and Cornmunications of Articles of Intelligence,

are requested.

Cbriftiansborg, a Danish Settlement on the Gold of Liber Veritas, containing twenty fac

Coaf of Africa. Drawn by G. Webfter. En. tinule prints after Claude's drawings, graved by 7. Hill

in the collection of Earl Spencer, and Cope Ceafa Cajtle

, a British Settlement of the Gold Charles Lambert, esq. of the Temple; Coaft of Africa, by the fame Artists.

engraved by Larlom. Dixcrve, a pritijo Serrlement un ibe Geld Coast of Africa. Dito

Bataillen d. 2 April 1801, per Kiobenbauns St. George D Elmira, a Dutch Sesslemens on ebe Reed. C. A. Lorentfen pinxi. 3. F. Clemens Goaf of Africa. Ditro.

Joulp. Price 21. 25. Eacbofibeje Prints are dedicated by Permiffion, to His Réyal Hizbress the Duke of Clarence, by mens, of Copenhagen, and for Messrs.

The above is published for Mr. Cle9 Barrow, and G. Webber, Published for Boydell and Co. London. A key-plate, Mefis Beydell and Co. prace 11. 1s. cacb. THE best written descriptions of the vesels that were engaged,' &c. &c. is

containing an 'ample description of the try to inuch abounds, will convey but a large, and the figures, which are nuvery imperfect idea of the place to the mund of the reader, if it is not accom- fpirit that does great honour to the

merous, are drawn and engraved with a panied with a delineation. This remark artists. applics with treble force to the scenery of another country, and even when there Full lengob Portrait of Mrs. Duff. R. Colway is a delineation, it should, in inany cases,

del Fobn Agar sculp.. Published fór Á. Acker mm; Strand, by whom

It is dedicated to (as for exanple, in the four prints before

ibe Right Hon James Duff, Earl of Fife. us) be coloured to convey a correct idea

Price 10s. 6d. plein ; 21s. in colours. of the place to the spectator. On the first inspection of these prints we thought Many of our readers will recolle& the tky too high coloured, and too hot Mrs. Duff being a few years since bitten for nature; but, on a moinent's reflection, in the check by a favourite lap-dog, and, and contidering the place represented in consequence of it, being some time was the coast of Africa, the objection afterwards seized with the hydrophobia, vanilhed. A gentleman who has seen and dying in great agony. She was a three of the places represented, has fince Mifs Manners, and lifter to Lady Heaththat time aflured us ihat they are in an cote, of whom a companion print at the eininent degree correct representations. fame price, is in the engraver's hands. There is a great deal of tafte displayed in The portrait is marked with that easy the drawing of the scenes and figures, and elegant air which distinguishes many and the prints are extremely well ens of Mr. Cosway's productions, and is adgraved.

mirably well engraved. Mit Byme some time fince published Mr. Ackermann has also published a No. I. conßiting of eight finished Etch- fixth number of Rudiments of Trers, of ings from various masters. Price 21s. which, in addition to what we said of The second number is at the printers, the preceding numbers, that is their being and will be publithed for Metlrs. Boy- admirably calculated to be useful to every dell and Co. in the course of a few days. one who is ftudying the art of drawing, The prints that we have seen are from by putting them in a way of marking the T. Hearne, G. Barret, S. Gilpin, &c. characteriltic diftinctions in the foliage and executed in a style that dues in- of trees, discriminating the variety of finite honour to the taste and talents scenery in nature; that it is in Tome of the fair artilt; and it afforded us a respects superior to any of the numbers trigh gratification to see a work in so heretofore published, and we carnestly superior a Ryle from the burin of a fe- recommend it to any one who wishes to male.

become a proficient in delineating landBesides the above, Messrs. Boydell and scapes. It contains, besides the introCo. have announced, as very nearly ductory plate, the Yew, Virginia Poplar, ready for publication, the third number Juniper, Scotch Fir, and Cypress.


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