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PROPELLING VESSELS BY HORIZONTAL STROKE, ETC. 195 all suspicion of deception; and I strongly CLIMBING BOYS-NEW MACHINE. recommend Mr. Haigh by no means to In the hope of contributing a mite repeat the experiment, lest injury should

towards supplying the want of enaccrue to so an ingenious an invention.”

tirely - appropriate machinery for Fearing I have spun out my com- sweeping chimneys, a writer in the munication to an inconvenient length, Newcastle Chronicle suggests the use I hasten to a conclusion, and remain, of the following instrument :-Let a

very light, but firm, chain be passed Sir,

from the bottom of the chimney to Your constant reader, the top (through a pulley at every

RICHARD Price, considerable angle or bend), returned Watchmaker and Silversmith.

loose to the bottom, and hooked to Wiveliscombe, Somerset,

the other extremity, leaving four or June 13th, 1825.

six spare feet of chain to be fastened up within the chimney when not wanted. A continuous ellipsis of chain would thus be found within

the extremities of the chimney, onePROPELLING VESSELS BY HORIZON

half of it being loose. By a simple .TAL STROKE.

contrivance, a brush, of a more conSIR, -On perusing the Mechanics’Ma- siderable size than to fill the capagazine of the 18th instant, I observed an

city of the flue, may at any moment articleon the direct effects of the Paddlewheel of Vessels propelled by Steam. be albixed to it, and closing up the and of one by a Mr. Vallence. In the fire-place with a cloth, having two first place, I must observe, in respect of minute openings through it for the your Correspondent, J. Hare, that it is arms, the brush may be worked so not a new idea to propel vessels by as thoroughly to cleanse the chimney steam, or a horizontal stroke. My Lord Stanhope, of philosophic and mechanic throug” its whole extent.. In case notoriety, had a vessel built on purpose,

of fire in the flue, a valuable instruin the Thames, about 35 years ago, into ment for extinguishing it, it is eviwhich he put an engine of great power. dent, would be found in this chain, It was brought to act ou machinery by drawing up, through means of it. which produced a horizontal stroke, closed, and returned by the side of the a bundle of wet cloths, instead of veszel; but the reaction' was found to be sending up a poor child, clothed in so great, that the impulse produced on a dress steeped in cold water, as is his vessel, a flut-bottomed one, did not too frequently done. The original exceed thíce miles per hour. His Lord- cost of the article would not be conship had a hint at the time, that a rotatory motion would answer the desired

i

si

siderable, and in a small number of purpose.

years it would repay itself. The Further, I beg' to inform your Corre writer has the satisfaction of knowspondents, that a person of the name of ing that the suggestion has received Hawkins (who took out a patent, about the decided approbation of several three years since, for a method of conshowed me a working model, for a mo

A. Z. tion to be applied to the shaft or axle of any engine which makes an elliptical stroke, fore and aft, nearly, in which the

BADNALL'S PATENT MACHINE FOR whole of the paddles act with surprising velocity, and clear of every reaction THE MANUFACTURE OF ORGANagainst the water, and “ feather," as ZINE. your Correspondent expresses it, avoid

SIR,-Happening to visit a friend of ing thereby the effect of the wind.

mine, who has recently embarked in the I am, Sir,

silk business, I was very much struck

with the clumsy and inferior manner in Your humble servant,

which the machinery was made, and at

J- M-, the slow progress by which the silk was Rotherhithe, 20th June, 1825.

thrown, which, I presumed, was owing

to the number of stages it had to go N.B. I think Mr. Hawkins's model through. My surprise was much heightfor propelling, in the manner as de- ened, when my friend informed me he scribed. bas been made above two years, had spared no expense, but that he had

196 REV. E. IRVING'S OPINION OF THE EDUCATION OF MECHANICS. adopted the best and most approved patent. Perbaps he will be good enough machines. I remembered having seen to say how he calculates the velocity of his several advertisements of my neighbour, spindles : but in case he should not like Mr. Badnall's Patent Machine, with á to notice this, perhaps some one of your reward offered, as though he had some numerous readers will take the trouble apprehension of its being pirated, and I to say, what is the greatest velocity at have no doubt but he has good grounds which spindles are known to turn in to dread such a thing, or he would not silk, cotion, and worsted, and how the put himself to so much expense to make calculation is made; also, what is their people suspect that he had suspicion. opinion of the possibility of a spindle reWell, Sir, I remembered these adver- volving 4000 times a minute, when it retisements, and also recollected a letter ceives its motion by a wheel of 25 teeth, of his, describing the merits and advan. tages of his patent machine, in your va- with it a bobbin weighing three or four luable and very useful Magazine (No.75, ounces. page 291), and not in the least doubting

I am, Sir, yours, &c. but every word was truth, I sought the

A WEAVER. letter out for my friend's inspection, Wood-street, Cheapside. fully satisfied that I was letting him into a secret that would be of the greatest advantage to him: but on his consulting with several experienced throwsters,

REV. EDWARD IRVING'S OPINION OF guess my surprise at hearing them declare, that Badnall's patent machine did

THE EDUCATION OF THE MECHAnot answer the description given of it by NIC CLASSES. him, and that the statement made, that We extract the following very perit would save 30 per cent., is not currect. On inquiring farther into the business, I

tinent observations on this subject learned that it is generally understood, from a Report, which appears in that the very best improved organzine The Pulpit, of a Sermon preached spindles (patent or not) at present in

by Mr. Irving for the benefit of use, will not give an average revolution of more than 500 turns a minute ; yet I

the Society (in Scotland) for Pro

pogating Christian Knowledge in Badpall states, that he has one mill

the Highlands and Islands.-Ed.] working at the rate of 4000 turns a minute. I do not know how to reconcile these two assertions, made by two re

" There is no subject at present so pror spectable tradesmen, living near and minent to the public eye, or which enknown to each other.' I somehow think gages so much the care of the religious Mr. Badnall must be mistaken in his world, as the education of the people. statement, particularly as I find, on in. It hath prospered to a degree heretofore quiring fully into the matter, that his unexampled ; insomuch that those who spindles propel each other by means of were formerly opposed to it, are silent, toothed wheels. Two wheels of 25 teeth or disposed to adopt that to which they each, at least, receive this notion from once objected. Among the mauy invenone of 40 or 45, according to the kind of tions of this kind which have been pa. work; therefore, if these two wheels, of trouized, there are especially two25 teeth each, revolve 4000 times a mi. schools for infants, aud schools for menute, each spindle must run over the im- chanics, which have arisen as by enchantmense number of 100,000 teeth in that ment, and spread themselves over the short space of time; and I should think land. And, is the effect of these instithat, as these three wheels are in close tutions, there have sprung up, like sumconnexion, each organzined thread will ner fruits, and been scattered, like auhave to support the jar produced by

tumn leaves, works for the infant mind, the extraordinary rapidity required for introductory to history, literature, and 300,000 teeth to pass each other in 60 general knowledge; and periodical works seconds. This really does appear a little have been multiplied an hundred-fold, out of reason; and if the speed men and newspapers a thousand-fold, within tioned in Mr. B.'s letter is actually got, the last century. All this testifies with it must infallibly destroy the wheels in a

one voice the capacity of man for knowvery short time.

lege, and shows to what extent that If this should meet the patentee's eye,

kuowledge may be multiplied, fulfilling and I hope his bookseller (who is, as he

in the prophecy of Daniel, Many shali savs at a pretty regular sort of fellow's run to and fro, and knowledge shall be will not neglect to send this Number

increased.' down, perhaps he will notice it; for he is more interested in this question than 1 .6 Now, as letters are the means of ream, as I dare say he knows that the ge- vealing knowledge to man, and as God neral opivion of the trade is agaiost his has been pleased to employ them iu

SAFETY OF THE MAILS.

197 making a revelation of his will to man, mail-coaches and waggons themreading is the means to be employed to selves, of which we have the followacquire this knowledge. Next, that a man may be able not only io profit from

å

ing brief deserintis
i

ing brief description :the past, but also profit those who are to

1. Mail Coaches. come; that each man may record his own views and feelings, and conimuvicate The body is calculated to secure the them where or to whom he pleases: driver from the weather perfectly : his there ought to be added the faculty of seat is thrown back two feet; the front recording his own thoughts and observa- of the body is within the end of the sills, tions, namely, that of writing. These instead of projecting forward in the usual are universuls; these ought to be taught manner; a neat roof, with lamps and every man; from these all may derive curtains of leather; also a large boot much guidance and consolation through or apron to protect the driver, with side life, and it seems to me that of this boxes for way-hills, arms, &c. leaving a guidance and consolation the poor have large birth for mail bags under the the most veed. Their life is a scene of driver, secure from storms or injury. burden and incessant toil; they have Behind baggage is secured by a new memuch to depress them to the earth, and thod, under lock and key, perfectly dry; Jittle to elevate them; they have no fa. within the body is placed the iron cases cility, like the rich, to move to and fro, for securing the letier mails. The cases and behold the various works of Nature are composed of wrought iron, made in and of Art, and to make ihose discove- a superior manner, with locks and hinges ries which are calculated to lift up the of great strength; the cases are bolted head of man. I say, the poor, who are fast to the body. If necessary, the body bound to a given place who have no will contain two cases, cach holdiug history, but a few tradititions-who three bushels of letters. Within the have no wisdom, but in a few proverbs- jron cases are placed portable copper or who have no hope for age, but an alıns- leather cases to contain the letters, all house; these have the best right, by with inside locks. The body of the chahaving the greatest need, to reading and riot is calculated to hold six passengers, writing, those wittiest helps of inven- aud the cases are vot the least in the tion, by wbich the past and the future way. The body is equal, if not superior, are made to appear before the eye-by in point of room and convenienice, to which the learned are brought down to any, for the conveyance of passengers the lowest capacity-by which the good and mails, ever used in this country, and are introduced to the fireside-by which for summer or winter, perfectly calcuthe godly are made on a level wiih their lated for heat or cold, having blinds with quality--by which all that is great is curtains and glasses. A new and much made as free and blessed to the cottage, improved method for raising or lowering as it is to the palace or university. I the body, and tightening the braces, called would have it cried from the northern to a rolling-jack, which removes the great the southern pole—from the rising to the difficulty of taking up the braces of stages, setting sun, in language far less impro- particularly in winter. A great improveperly accommodated than it is very fre- ment in the boxes and axles for carquently– Ho, every one that thirsteth, riages of this description, by which the come ye to these waters ; and he that friction is much reduced, and they run hath no money, let him come and obtain a greater distance without greasing, and these gifts of reading and writing, with- require but little attention, consists m a out money and without price.”

thorough box, plated with steel at each end, and steel plates on the arm of the axle, each fitted in the mos's perfect

manner, with a feeder in the centre for SAFETY OF THE MAILS.

oil or grease. The American Congress have

2. MAIL WAGGON. passed a resolution for the adoption The Mail Waggon is on an entirely new of a plan for the better securing of plan, and is calculated to secure the the letter-mails, submitted by an mail in the same way as the chariot, ingenious individual named Ingay. having the same description of cases,

and the mails perfectly secure from The Editor of the - Washington

" storms; mnade in every respect strong Gazettestates his belief, from and substantial, at the same time not actual inspection, “ that Imlay has too heavy, and can be drawn in most completely succeeded in producing roads hy two horses. The waggons are a strong iron case, with a spring

sprin calculated to hold the largest mails; the lock, that will, in future, bid defiance

body is placed on springs, with hraces to

prevent the injury so common to papers to robbers.” He has also effected and letters, owing to transporting them an improvement in respect to the in waggons on the axle without springs.

198 BELL'S MARINE CRAVATS-CAPTAIN MANBY'S FIRE-ENGINES. The driver is secure from storms; and, ture of J. H. Z., requests to be in consequence of his being thus pro- informed « where the engines or tected, can drive any distance necessary vessels for the speedy extinction of for one person to drive-say fifty or more miles,

fire, described in the 58th Number of the • Mechanics Magazine,'

may be had, and the price of them ; BELL'S MARINE CRAVATS. also of the condensing syringe, Sir, I am convinced that my

from an opinion they may be of namesake and former acquaintance,

infinite service;" I beg leave, in Mr. Thomas Hindmarsh Bell, is,

reply, to say, that the person who like the renowned Marquess of Wor

made them for me, and to whom I cester, actuated by too honourable paid 201. for the set, is not now in motives to knowingly “ put down the kingdom : but, as many im. other men's inventions, without no- provements were found necessary minating likewise the inventor :" he while constructing them, such alwill therefore not be displeased to terations consequently increased learn that his Marine Cravat is only the expense ; I therefore have no another name for “ Scheffer's Life- doubt but they now may be perPreserver,” the utility of which was

fected much under that sum.' so well exemplified by the ingenious

My object in producing the Fire inventor last year in the Thames, and witnessed by thousands of ad

speedy extinction of fire, is thus miring spectators. Mr. Scheffer's

stated by me to a Select Commit

tee of the House of Commons:for its buoyancy, being composed of

pomnosed of “ To avert the dreadful calamity skins without seam, and perfectly air arising from fires in London, from and water tight : it is, when wanted a persuasion that the day will arfor use, instantly inflated by blowing

rive, perhaps when I am no more, into a small aperture left for that

that a prompt method to check the purpose, and furnished with a stop

progress of the flames for the precock to prevent the egress of the air. ser

servation of life and property, will This apparatus is of sigrial service

be hailed as important from motives to persons learning to swim, and

of humanity and policy.” Under would, if generally adopted, prevent

this conviction, and, as I never had those painful accidents so prevalent

in view the desire to derive benefit in the bathing season, particularly

from this or any of my productions, in the vicinity of the metropolis. The

metropolis the public are at full liberty not It is a common practice for the only to apply them, but to make young swimmer to throw himself any or all for sale for their own upon the cord connecting two pieces au

mee advantage. of cork-wood; but this is a plan

I must avail myself of this ocreplete with danger, as, in case the

casion to call the attention of the float passes down towards the feet,

public to the evidence of the late that part of the body will be kept

Mr. Fielding, one of the Magisat the surface of the water, whilst

trates of Queen Square Police the head will descend. I have known

Office (a copy of which is herewith two or three valuable lives lost in

enclosed), on the subject of a firethis manner.

patrol in London and in all large

towns. With that most intelligent I am, Sir, yours heartily,

gentleman I had many conferences, TEASDALE BELL. and felt, with him, that a well2, Commercial-road, Whitechapel,

organized fire-police would be of June 20, 1825.

the greatest imaginable good. To adduce proofs that some more 'ef

fectual protection to life and proCAPTAIN MANBY'S FIRE-Engines.

perty, from fire, is required than

is at present in use, I shall not Sir,- As your Correspondent deem it necessary, in confirmation from Newcastle, under the signa- of the present insufficient system, 199

thes

fire

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to expatiate at large on the me- man be provided with his axe and his lancholy and destructive conse- link or flambeau ; then this would be quences attending it; because,

such effective means of security from

fire, that the public would be highly Scarcely does scarcely does a week transpire weckmanspire pleased with such an establishment. It

ple without presenting to our imme- would be equally beneficial to the offices diate notice some additional case themselves, for it would be a vast proviof distress to excite our commi sion against the accidents of fire; for

he disc seration, and demand our best

might proceed with their axes, and with efforts to prevent the recurrence of

their lights, into the houses where the such calamities.

accident occurred. Another thing I shall I cannot conclude without saying

take the liberty of suggesting, is, that

these two men, in their walks about the the public have a right to expect

town, sliould have, under the authority better protection from the Insu- of the Magistrates in the different disrance Companies than is at present tricts, the office or power of constables.". given. The expense attending the furnishing of Fire Carts for London, I should imagine would not exceed 50001., that is for 250 sets,

EGYPTIAN ORE. to be placed as described by me in the 58th Number of your work,

Sir,- In your 91st Number, page under the superintendence of the

111, your Correspondent. Quibus' fire-police, arranged according to

wishes to know whether the metal Mr. Fielding's plan.

manufactured into various articles and sold by Mr. M.Phail, under

the name of Egyptian Ore, answers Blind Your humble servant, the description given of it by the 11 IN GEORGE W. MANBY.

inventor. I can assure him that it

does not, as I will prove. Having Royal Barracks, Yarmouth, June 21st, 1825,

heard of the excellent seals which radi i

were made of this metal, I was inExtract from Mr. Fielding's Evidence. duced to purchase a small one for is Has any plan ever suggested itself to

trial, for which I paid 7s., which,

certainly, for five or six days, had your mind, of establishing a better sysstem of preventive Police, than what at every appearance of fine gold; at 1 present exists, independent of the one the expiration of which time it which you have meutioned, namely, a began to change colour, and finally Superintendent Constable in each parish? put on the appearance of common

"Principally my thoughts have been brass. turned upon the efficience of such a superintendent character forming the most

If, through the insertion of the beneficial preventire imaginableofcrimes, above, I may be the means of preat on I take the liberty of suggesting another' being deceived, I shall be much

rtul. May venting your Correspondent from thing, which I communicated to Mr. " Perceval very shortly before his death;

gratified. I likewise did so to a Captain Manby, I am, Sir, yours truly, who has been much noticed for his mathewatical exertions, desiring him to

R. Farley. make use of the idea, or avail himself of

P.S.--I have enclosed the seal it as his own. The suggestion was this: There are upwards of fifteen insurance

above alluded to, in order that offices against fires in London; I sug you may pass your own opinion gested, that if two firemen from every upon it. one of those insurance offices were to traverse up and down the streets of the

[It is exactly of the description

L metropolis every night, they would cross given of it by our Correspondone another often and often, Let every ent.-Epit.]

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