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IMITATION PRECIOUS STONES-NURNBERG VIOLET

THE ELECTROLYSIS OF WATER.

for market-gardening purposes, when the surface orthwith proceeded with. The external protec- Postmaster-General, with the consent of the Treais so full of town mannre that' fresh soil upper- tion will be similar to the old cable--an iron sheath- sury, to mako special agreements for the transmost will be beneficial.

ing protected with hemp and bituminous asphalte mission of certain classes of messages at reduced The cultivators and broadshares were also compound. The contract for its manufacture has rates, but that any such special agreements should severely tried by the state of the ground. The been given to Mr. W. T. Henley, of North Wool- be laid upon the table of the House of Commons competitors with these implements were Messrs. wich, who manufactured the entire length of as soon as conveniently may be. Coleman, Clay, Hunt, and Pickering, Bentall, Under- the original cable. We trust to give our readers 3. That security should be taken for ensuring bill, and Millard. After the first round, four were some details of this cable previous to its comple- tho secrecy of messages transmitted through the crippled; the race then lay between Mr. Bentall's tion.

Post Office by making the violation of such secrecy broadshare and Mr. Clay's lever cultivator. Under The south of Ireland cable from Wexford to near punishable as a misdemeanour. the conditions, as rogards stubbornness of the soil, Milford Haven has lately been broken, within a 4. That the special circumstances at present nothing could touch Bentall's broadshare. This im- short distance of the Welsh coast. The steamer attending the working of those submarine cables plement is fitted in a case of this kind, with a belonging to the Electric Telegraph Company is now which the Postmaster-General may acquire, make narrow sharp point, while nearly the whole of the ongaged in the ropairs. We are daily expecting it desirablo that provision should be made for the cutting is done at the hind parts of the arms and to hear of communication being restored. This working of them by loasing the same, in the first shoes of the implement. Comstock's rotary spade cable being broken down, necessitates messages instanco, to a company or companies, but it may was started on a trial, and as its principle of action via the Atlantic cable passing round the north ultimately be found oxpedient that tho Post Office is the same as a wood-planing machine if it would of Ireland, a much longer route, but we are not should itself work such cables.” go, its disintegration of the soil would be more aware of any great delay in consequence.

On Monday night last, in a committee of the perfect than any other mothod, for the soil behind The announcement of a French concession for whole Ilouse, a resolution was agreed to authorizwould be left in a finer state than the dust from a an Atlantic cable has been the subject of some ing the application of monoys to the purchase of planing and rabbeting machine. But as it will correspondence, the previous concossionai res, electric telegraphs. On Tuesday evening the bill not go through soil unless it be first broken up Messrs. Delessert and Blackmore, maintaining passed through committee, and, with some verbal and sifted to take out the stones, there is an end against the statements of the opposite parties, amendments, was ordered to be reported, which of the matter. The land thus prepared by pre- that their concession is a perfectly valid and was done, and the bill so amended was read a vious implements presented a fair field of large binding contract. We trust to see the matter third time on Wednesday evening. hard lumps for the clodcrushers and rollers. The settled one way or another before long, as it may competitors were Cambridge, of Bristol ; Woods otherwise interfere materially with the enterand Cocks, of Stowmarket; Amies and Barford, of prise. Specifications for a cable are already out,

NOTES ON RECENT SCIENTIFIC DISPeterbrough ; Hunt and Pickering, of Leicester ; so that active steps are being taken. The followthe Reading Ironworks Company, the Beverley ing are the principal points of the Reuter conces

COVERIES AND THEIR PRACTICAL Iron and Waggon Company, Croskill and Son, sion :

APPLICATIONS. Ashby and Jeffery, of Stamford ; Lewis, of Shrews The concession is for a period of twenty years. bury ; Coleman and Morton, of Chelmsford ; Boby, Communication must be established before the of Bury St. Edmunds; J. Coultas, of Grantham; 1st of September, 1869. J. James, of Cheltenham, and other makers, were The line will be laid from Brest, and land at a PENI

ENDING the discovery of the means of proin competition. The lighter implements could point of the United States between Boston and ducing artificially real precious stones—that not touch the hardened clods, so there was a selec- New York.

is, of forming by art stones having the exact tion of three implements for the final trial and The price of a message of twenty words must chemical composition and appearance of those distribution of prizes. These were the serrated not be more than 1008. self-cleaning clod-crusher of the Beverley Com The long pending action between Mr. Piggott formed by nature—and the arrival of the day prepany, the clod-crusher of Croskill and Sons, Cam- and the Anglo-American Telegraph Company for dicted by Alphonse Karr, when a chemist shall bridge's notched-wheel and press-wheel roller, | infringement of his patent for working submarine present to the Academy of Sciences a diamond as and Amies' and Barford's Cambridge roller, with cables, has been fixed for next week. We may, large as a hen's egg, and apologise for the smallscrapers and solid wrought-iron steerage frame, therefore, expect to hear some interesting details ness of the spocimen, the many vain will have to instead of shafts. The first was awarded to the of submarine telegraphy, and know something at indulge their vanity by the display of sham jewels. Beverley Company's clod-crusher. The next was last of the method employed in working the Atan extraordinary roller, made by Messrs. Amies lantic cables, a process that hitherto has been It is right to say, howevor, that, thanks to the and Barford, of Peterborough. The work done by kept very secret.

researches of Ebelmen, Deville, Troost, and others, this implement was very effective, and nothing In noticing the arrival of the “Narva" at Key small rubies and amethysts have been produced, but the regular serrations in the Beverley Com- West with the Cuba cable, we remarked that pany's implements could have put the Petor- aro daily expecting to hear news of the successful But while we have to wait for larger productions

*W9 and even microscopic diamonds have been made. borough roller in the second place. Messrs. Cross-laying of the cable." We regret to state that the kill and Sons wero awarded the third prize. At nows received has been of an adverse character, it is well to have the imitations as exact and the trial of heavy and light rollers the competitors and that the cable is not yot laid. The following beautiful as possible, therefore we copy from were the following manufacturers :—The Beverley is from New York :-* The Narva,' scrow "Elsner” a receipt for a hard foundation glass, Company Hunt and Pickering, Croskill and Sons, steamer, engaged in paying out the new telegraph and the proportions of colouring agents necessary Lewis, Boby, Page, Holmes, Amies anri Barford, cable to Havana, arrived on the 4th inst. to

to give this glass the appropriate tints of the stones. and Woods and Cocksedge. The first prize was within ten miles of the Moro, but getting into a Elsner takes 45.7grms. of puro quartz, 22.8grms, awarded to Amies and Barford, the second to the strong curront, was carried fifteon miles from of puro and dry carbonate of soda, 7.6grms. of Beverloy Company, and a high commendation was Chorrera, tho place for landing shore end of cable, boras, 3-4grms. of nitre, and 11.8grms. of minium, given to Amies and Barford.

which was all paid out within three miles of the These ingredients reduced to a fine powder, and We shall resume our remarks upon the Leicester shore, and the end fastened to a buoy. Owing well mixed, are brought to perfect fusion in a Show in our next number, when we purpose illus- to tho depth of the water the buoy could not Hessian crucible orer a charcoal fire. To colour trating some other machines, which want of space be anchored, and was drifting to the seaward.” | this mass, in order to imitate various precious obliges us to omit in our present issue.

El Moro is the easterly point of the entrance of stones, the following must be added : -For sapthe harbour of Havana, from which the Chorrera, phires, 0.106grms. of carbonate of cobalt ; for

the landing-place, is about four miles distant west-emeralds, 0:53yrms. of oxide of iron ; for amethysts, ELECTRICITY AND TELEGRAPIIY.

ward. A few days before, we heard privately that, 0.265 of carbonate of manganese ; for topaz,

in paying out the cable, they had been carried out 1.59grms, of oxide of uranium. In all cases the THE European Telegraph Conference sitting at of their course and came to the end of the cable fusion must be perfect, or a clear glass will not TH

Vienna, have all but concluded their labours, about ten miles from Havana, where they buoyed be obtained. Cutting greatly improves the aphaving only to hold a final sitting, at which the the end on the 4th, and, on coming to it the next pearance of these imitations. revised international telegraph convention will be day, found that the buoy had disappeared. Which

A patent has been taken out in France for a is the correct account we cannot say, but must solid violet pigment, under the name of " Nurnberg signed. This is the first conference at which the wait patiently for further details. Ať present, it violet,” which is insoluble in water, and unaffected English Government has been represented, and is evident that the Gulf Stream has thrown them by acids. It is not precisely a novelty, but the now that we have become, as a state, party to the out of their course, and made them run short of directions given probably give rise to a finer colour convention, many telegraphic difficulties will dis- cable before arriving at their destination. Whether than those given several years ago by Barreswil.

the end is lost and is irrecoverable is uncertain, The inventor takes oxide of manganese or chlorine appear. In accordance with the wish expressed by the conference, we learn from Bonv, that the that the communication may yet be completed result is a violet mass, which he dissolves in

but we trust, for the sake of telegraphic enterprise, residue and fuses it with phosphoric acid. The Swiss Federal Council has consented to undertake The present casualty will be a lesson to those who, ammonia or carbonate of ammonia, and then the establishment of an International Telegraph in spite of the experience of last year, ridiculed evaporates the solution until it becomes a pasty Office in Switzerland. the idea of any difficulty in crossing the Gulf

mass and ceases to swell up. The beauty of the We regret to announce that another break has Stream, and contemplated saving an amount of colour is said to depend upon the proportion of occurred in tho Porsian Gulf cablo; the fault cable equal to that which is now short: On receiving phosphoric acid in the compound, and the inventor

more authentic and particular intelligence, we will does not say how much is to be employed. He this time is between Gwadur and Kurrachee, bring tho matter again before our readers.

gives, however, an analysis of his product, which but owing to there being an alternative land The Select Committeo on the “ Electric Tele- may serve as å guide to an experimenter:line, communication has not been interrupted. graphs ” Bill have concluded their labours, and, Ammonia, 6-21; oxide of manganese, 28-39 ; phos

We lately alluded to the detormination to have having gone through and amended the bill, have phoric acid, 53-89; water, 10-75. If this colour 500 miles of cable manufactured for the Persian presented it with the following special report on the is bright and pormanent, it will provo a valuable Gulf, to act as an alternative line for that portion several matters which they were specially in addition to our stock of pigments. where interruptions more frequently occurred; the structed to inquire into, and they are of opinion : A curious, and, if correct, important paper on great success attending the insulated wire, known 1. That it is not desirable that the transmission the electrolysis of water has been published by as “ Hooper's compound,” has, as we have already of messages for the public should become a legal M. Bourgouin. Pure water, he states, is nover stated, determined the authorities upon using this monopoly in the Post Office.

decomposed by electrolysis, whatever the strength material, and the manufacture of the cable will be 2. That it should be left to the discretion of the the battery employed, or however long the

attempt may be persevered in. Sulphuric acid

MESSAGE No. III.

mental in achieving its final triumph. Your courteor an alkali is always added to enable, it is said, " The Duke of Argyll to his Excellency the Go-sies to one American citizen we claim as compliments the water to conduct electricity. M. Bourgouin's

vernor-General of Cuba, Havanna.

to and evidence of friendly regard for all. The teleexperiments, however, go to show that these “As president of a banquet, attended by upwards graph, which is bringing all peoples within the reach bodies perform a more important part than mero of 300 gentlemen, to do honour to Mr. Cyrus Field, of friendly voices, is doing more for universal peace conducting agents. When potash was employed, the promotion of the Atlantic Telegraph, I invite Health and long life to your Grace, and a cordial

of New York, for his eminent services in assisting than diplomacy, and rapidly making democrats of all. gaged was always proportional to the amount of you to join in the compliment offered to him this greeting to your guest and his friends"

day, and to ask you, while drinking his health and (Received at Willis' Rooms at 11.19 p.m.) potassium carried to the negativo pole, and his happiness, to add to the good old Spanish congratu- From Tal. P. Shaffner, New York, July 1, to opinion is that it is a hydrate of potassium K HO2 lation, “ May he live a thousand years.'”

Cyrus W. Field, London. which is decomposed. Similarly, in the case of (Sent from Willis' Rooms, at 7.38 p.m.)

"I fought against your enterprise many years ; water acidulated with sulphuric acid, he believes

ANSWER.

you succeeded, and I honour you on the achievethat a hydrate S H3 06 is the body electrolysed, “From Lersundi, Havanna, July 1, to Senor Duque ment. You deserve more glory than Columbus.” and that the excess of water takes no further part

de Argyil, Willis' Rooms, London,

(Received at Willis' Rooms at 7.15 p.m.) in the action than to continually replace that re “Uno gasteso mi felicitacion y mi voto a la felicimoved from the compound named. The author's tacion y a brindis de v e pronunciado en este memente " From Samuel F. B. Morse, July 1, 1.10 p.m., to his

Grace the Duke of Argyll, Willis' Rooms. views we do not expect to be left unchallenged, en honor de ma Cyrus por sus emenates serveces

"Greeting to all met to perform an act of national and we shall probably hear a good deal on the prestados para el establicimento del telegrafo Atsubject.

lantico y el saludor a esa honorable concurrencia justice. May this Divine attribute ever be the compido al ciclo que conserve a tan ylustre varon y que the nations of the entire world in the bonds of peace.

panion of the telegraph in its true mission of binding vipan y v muchos anos." (Received at Willis' Rooms, at 1.7 a.m., July 2.)

Special greeting to Cooke and Wheatstone, to Sir THE LAST TELEGRAPHIC BANQUET.

Charles Bright, to Whitehouse.”
MESSAGE NO. IV.

(Received at Willis' Rooms at 8.11 p.m.) "The Duke of Argyll to his Excellency the Governor - From S. E. Musgrove, July 1, to the Duke of UR best exertions have always been cheer

of Victoria, Vancouver's Island.
"I am president of a banquet of upwards of 300

Argyll. the Atlantic cable scheme. Our pages testify that English gentlemen, met to pay a homage of respect

" I join with pleasure in toasting my friend, Mr. we never lacked faith in the enterprise even in its to Mr. Cyrus Field, of New York, for his exertions Field, whose name is so indissolubly associated with darkest and most gloomy moments. Our antici- in promoting the laying of the Atlantic Cable. Its the work which joins three provinces still more pations and predictions of ultimate success have success enables the vid World now to talk to the closely to Great Britain, and I sincerely wish him been fully and signally fulfilled, and those whose New, and we shall be gratified to find that English prosperity in all his undertakings.”

(Received at Willis' Rooms at 9.2 p.m.) enterprising spirit carried it on through evil re-colonists, divided from us by thousands of miles, are port and good report are now reaping their richly-ready to join in so worthy a compliment to an Ameri

H. Haight, San Francisco, California, July 1, to merited reward. The last closing scene of im- can citizen, and ask you to drink his good health.”

Cyrus W. Field, Esq., at the Banquet, London. portance in the history of the Atlantic telegraph

(Sent from Willis' Rooms, at 7 p.m.)

« The Governor of California presents his compliis, probably, the dinner which was given about

ANSWER.

ments and congratulations." three weeks since to Mr. Cyrus W. Field, at Willis's "From Frederick Seymour, Gov. Victoria, June 28

(Time received not noted). Rooms. We, therefore, need no apology for ap

(via Valencia), San Juan Island, July 1, to his "From George L. Woods, Governor of Oregon, pending the details of the telographic proceedings Grace the Duke of Argyll.

Salem, July 1, to Cyrus W. Field, Esq. at the banquet. We give the messages sent and the toast, “Cyrus Field ” will be received. We owe benefactor, and offer you their hand across the water

“Columbia joins heartily in the cheers with which

“The people of Oregon salute you as the world's received, and the times at which they started and much to the telegraph. Three days' news from as a token of their high appreciation of the services arrived, which are points of scientific interest, as England, instantaneous communication with gold which you have rendered to mankind. Let our illustrating the rapidity of communication. mines six hundred miles distant-thus police force kindest wishes in your behalf be our representatives MESSAGE No. I. virtually doubled. Weather fine here. Mines and

at your meeting." farms flourishing. Wages high. Revenue improv“ The Duke of Argyll to his Excellency Andrew ing. Your son Lord George with us, and well."

(Time received not noted.) Johnson, President of the United States, Wash (Received at Willis' Rooms at 8.26 p.m.) ington. “I am now surrounded by upwards of 300 gentle

Message No. V. men and many ladies, who have assembled to do

· The Duke of Argyll to his Excellency the Go-THE MILITARY MONUMENT AT QUINCY. honour to Mr. Cyrus Field for his acknowledged

vernor of Newfoundland. exertions in promoting telegraphic communication be en the New and 814 Worlds. It bids fair for and many ladies to do honour to Mimo sertismen. A "the VINENT has recently been erected by the kindly influences of the Atlantic cable that its Field, of New York, for his well-known services in honour of the soldiers from that town who fell in success should have brought together so friendly a promoting the Atlantic Telegraph. I ask you to the Rebellion. It was designed by Mr. Chester gathering; and, in asking you to join our toast of join in drinking his health and happiness, and that R. Mitchell, of Quincy, now deceased, and is stated

Long life, health, and happiness to your most every prosperity may attend him in all his important to be one of the most beautiful obelisks ever dediworthy countryman,' let me add a Highlander's wish pursuits.”.

cated in Massachusetts to the memory of the slain. that England and America may always be found in

(Sent from Willis' Rooms at 7.48 p.m.)

It has been erected at a cost of 4,360 dollars, is peace and in war shoulder to shoulder.'"

No answer.

34ft. 3in. high, and rests on a foundation 9 ft. (Sent from Willis' Rooms at 7.27 p.m.)

MESSAGE NO. VI.

square. The bottom base is 8ft. square, and the “ The Duke of Argyll to Miss Mary Grace Field and second 6 ft. Upon the side there is an inscripANSWER.

Brothers, New York. “ W. H. Seward to his Grace the Duke of Argyll,

tion on a raised band, “ 1868.” The third base “I have upwards of 300 gentlemen around me to is 5}ft. square. Resting on this is the die, 4£ft. London. “ Your salutation to the President from the ban- | labours in connection with the Atlantic cable, and, in square, having a heavy circular overhanging queting hall at Willis' has been received. The din- asking you to join us in drinking his health, let me

mould, with tablots of bronze inserted in panels on ner hour here has not arrived yet ; it is only five offer you my congratulations in being blessed with each face, with inscriptions in raised letters. This o'clock ; the sun is yet two hours high. When the so excellent a father, and also to express the hope dio supports a smaller one, with very graceful dinner hour arrives the President will accompany that his example may inspirit all his children to fol- overhanging mouldings, and on the front face in your pledge of honour to our distinguished country- low in the good path he has hitherto led them." raised letters are the words :-"In honour of our man, Cyrus W. Field, and will cordially correspond (Sent from Willis' Rooms at 7.52 p.m.) patriot soldiers." On the opposite is an anchor to your Highland aspiration for perpetual friendship between the two nations."

ANSWER.

cut in bold relief. On the right is the familiar (Received at Willis' Rooms at 11.26 p.m.)

“Grace Field (4.5 p.m. New York time) to the Duke shield overhanging two crossed muskets; on the of Argyll, London.

left side is represented two cannon and two naked MESSAGE No. II.

“ I thank you most sincerely for the kind words swords, most appropriate designs, and very happily “ The Duke of Argyll to his Excellency Lord Monck, you have spoken of my father, causing me to feel that blended in position, representing both army and Governor-General of Canada.

we are friends, although our acquaintance is thus navy. Abovo this is the shaft, clean and smooth, "I am now presiding over a banquet of upwards made across the sea and in a moment of time.”

except the front, on which is a large raised shield, of 300 gentlemen and many ladies to do honour to (Received at Willis' Rooms at 9.16 p.m.)

with the raised letters “U. S.” This shaft is Mr. Cyrus Field, of New York, for his devotion to In addition to the foregoing the following mis- 14}ft. high. Next comes the base of the capital, the interests of Atlantic telegraphy. It is a good cellaneous messages were received from the first forming by its lower band the nocking of the shaft. omen of the influence which the submarine cable American promoters of Atlantic telegraphy, and The ornamentation of this stone consists of three between the Old and New World can exercise in our other gentlemen :offering this homage of respect to a most worthy - From Peter Cooper, President, New York, July 1, mounted by the capital, which is pyramidical in

large raised stars on each face. This is surthe sentiment from the table of the Governor of the 1868, to the Duke of Argyll, Willis' Rooms, London. shape, with slightly concave sides, capped with Canadian Confederation."

“ The directors of the New York, Newfoundland, triangular sides, ornamented with large stars and a (Sent from Willis' Rooms at 7.34 p.m.)

and London Telegraph Company are rejoiced that the ball, the whole constituting a chaste, symmetrical,

services of their associate, Cyrus W. Field, are recog; and most beautiful monument, and will for ever ANSWER.

nized in England as they have long been recognized stand as an honour to the town and as a fitting " From Governor-General Monck, Quebec, July 1, to in America. They beg leave to join in congratulating

the Duke of Argyll, Chairman of the dinner to him, and they trust that his highest claims to the memorial to the men who died for their country. Cyrus Field.

gratitude of the world will be found to consist in In the name of the people of the dominion of the establishing of a communication which shall bind Canada I desire to express our hearty sympathy together the nations in universal and perpetual

It is some consolation to find that although we with the compliment which you are paying to Mr. peace." Cyrus Field. It is especially fit and appropriate

(Received at Willis' Rooms at 8.20 p.m.)

want rain sadly in England there is no lack of it in

India. In Madras rain has been falling every daythat I should be able to do so by means of that "From William Orton, President, July 1, to the such a season has not, in fact, been known for many mighty instrument with which his name is insepar

Duke of Argyll, London.

years. Bengal has also been visited by a most ably connected, but the success of which, and the “ The Western Union Telegraph Company re- unusual and severe fall of rain. The fall was consequent advantages to humanity and the progress spectfully ask permission to so far participate in your almost continuous for ten days. The whole country of civilization, are mainly due to the self-reliance, festivities as to add their hundred thousand miles of is under water, and the shallow streams having their enterprise, and energy of your distinguished guest.” wire to that which is represented, as a grateful tribute rise in the Beerbhoom hills are in flood. What

(Received at Willis Rooms at 8.3 p.m.) of the telegraph to one who has been mainly instru- might not be done for India with proper irrigation ?

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197

bracket b2, by an axis d, sun ramo e, while the of time.

cong with the undulations water, and the absence of smell. The question, the furnace is perforated at wide distances, and frame e is formed to receive a bearing whes 5

GARRARD'S MOWING MACHINE. by the aid of a wooden apparatus roughly im- taken up by the inventors of one of our best

provised for the purpose. The fluid was then petroleum furnaces, and that the results are likely THE accompanying engraving shows a now allowed to settlo, and the action of the essence to be successful. If this proves to be the case a Garrard, and made by Messrs. Turner, of Ips-place, caused by the chemicals combining with steam navigation, and great credit will be due to wich, the chief features of which consist in sup- the impurities and precipitating thom to the bottom those who are instrumental in bringing it about. porting the finger bar at each end, and, by suit of the tank. In about ten minutes, and at intervals But our object is not now so much to point out the able contrivances, allowing the cutting parts to afterwards, bottles were plunged into the deepest advantages of using liquid fuel as to place before conform themselves to inequalities of the ground portion of the fluid, and on being brought to our readers particulars of the most recent appliwith greater facility than has hitherto been the the surface and examined, the transformation cation of the principle of the petroleum furnace. case. Fig. 1 shows a plan view, and fig. 2 a longi- was apparent, the fluid being perfectly transparent, This has just been patented by Mr. Dorsett, of tudinal section ; figs. 5 and 6 show portions sopa- though slightly tinged with blue In half an No. 12, London-streot, Fenchurch-street, and we rately, in order that their construction may be hour the whole body of the sowage was in a witnessed its working yesterday week at the works bettor understood. In each of theso views the very advanced state of purification. So far as of the Patent Fuel Company, Deptford Greon. samo letters indicato corresponding parts wher- could be judged by the eye and by the sense of The principle differs from all others with which ever they occur. a a a is the main or draft fram

the fluid was perfectly fit to be discharged wo are acquainted in that the fuel is used in a ing, which is affixed to brackets b 01 and to receive the axis of the main wheels c c. having been constructed for the alum process was the steam boiler. To this end Mr. Dorsett has & These brackets b 67 B3, or there may be others too shallow, and that with a deeper tank the small vertical auxiliary boiler which is placed applied for the same purpose, descend, as shown, samo results could be produced with a smaller beside the furnace propor, and which is filled with below the axle, and the brackets b bl support by admixture of chemicals and in a shorter space creosote. A firo is started under the small boiler the axes d of the rear end of the

with a shovelful of live coal, and when the vapour the bearing

Some comparative oxperiments wore then mado begins to rise it is conveyed by a down pipe from arm e'; the bearing frame e and the bearing arm with alum and lime with the view of contrasting the top of the boiler into the furnace, and continues el at their other ends support the finger bar f; the action of the former with that of the latter. the work the coal fire commenced. Another pipe The object of the bearing frame e and the arm e' The results lead to the inference that the alum from the top of the small boiler is carried into the being thus capable of moving on axes d d, or it

process had the advantage in regard to the time furnace of the steam boiler, which it traverses may be other Suitable joints, is to admit of the necessary for the operation, the clearness of the and returns to the furnace door. The pipe inside Anger bar frising of the ground, or for depth of its action to be however, will soon receive further elucidation by a through these perforations the gas issues and is otherwise regulated. The fore end of the bearing rigid chemical test, an eminent authority being burned beneath the steam boiler. In the present

about to analyze tho solid residuum and the efflu- instance no opinion could be formed of the value the bearing arm e' has a shoo or sledge h (ig. 5), ont water. Concerning the solid portion, it is of the invention for steam purposes, inasmuch as but they may both be fitted with either wheels, or expected that this will prove a really valuable the boilers to which it was applied were haystack shoes, or sledges. The object of these fore ends of manure, while the fuid will be such as may be boilers, and were used for the distillation of coalthe bearing frame e and of the arm el being thus safely discharged into the open stream. Professor tar, one of the products of which-creosote-being provided with supporting shoes, is to aid them at Wohler, of the University of Gottingen, one of the the material used. Mr. Dorsett, however, inthose parts in following the surface of the ground most eminent living chemists, certifies that upon formed us that he was about to apply the arrangewhen the apparatus is in use.

examination he does not find that the purifying ments on board a large river steamer, when an The bearing frame e and the bearing arm e' are essence contains anything beyond what is stated. opportunity will offer of testing its merits in a attached to one end of a chain i (fig. 2), the other He farther states that he made experiments with direction to which the public are looking with ond of which is attached to a pulley, and this the Tottenham sewage, the results of which coin- much interest. As at present utilized, however, pulley j is applied on an axis or shaft ;', which is cide with those obtained in the above trials, and it is a decided success, the combustion appearing supported so as to be capable of revolving in bear-were altogether most satisfactory. His opinion is to be practically perfoct and the work done highly ings, and it is provided with a crank handle 13 by that the deposit would be very valuable as manure. satisfactory: The economical advantages are very which it may be readily caused to revolve, or par Mr. Lenk's purifying Auid is also applicable to apparont when we state that 120 gallons of creotially so, and thereby give motion to the pulley; the purification of water in general. Under or- sote, at one penny per gallon, will do the work of to raise or lower the bearing frame e and the bear- dinary conditions it is used in the proportion of 24 tons of Welsh steam coal at 17s. 6d. per ton. ing arm e', the finger bar and parts connected twelve to twenty drops to a quart of water. But of course, as the principle comes into general therewith, and thereby regulate the depth of their where the water is exceedingly bad, the proportion adoption, there can be but little doubt that the operation, or to raise them out of operation when of fluid must be increased to thirty drops to the prices of liquid fuel, for which there is now little required. The finger bar f and the knife bar k quart. Where a large and continuous supply of or no demand, will go up. But there will always carried thereby are placed, as shown, to operate in

purified water is required, a simple appa- remain a good margin in its favour, which will be front of the wheels cl c, and so as slightly to pro-ratus is fitted to the inner end of the tap increased by the many other advantages it presents ject ovor or beyond the wheel . Reciprocating of the tank or reservoir. It consists of a to both our Royal and our mercantile marino. motion is imparted to the knife bar k by a con- short length of pipe, which fits the conical necting rod l, one end of which is by pin joint extremity of the tap; the pipe is furnished with connected at i to one end of the knife bar, whilst * funnel, the open part of which is protected the other end of this rod ? is by pin joint con- by a disc somewhat larger than the funnel. This STEAM FIRE ENGINE FOR MULHOUSE. nected to a crank stud l' affixed to one end of the arrangement prevents any portion of the impuri THE town of Mulhouse, in the east of France, volving in bearings carried by the framo e, and at being carried through the tap, for, as the sediment works, has just been supplied with one of Messrs. its other end this axis m has applied to it a is deposited, it sinks down bolow tho mouth of the Merryweather and Son's light steam fire engines, of bevelled tooth pinion m', the teeth of which gear funnel. We may add that Mr. F. Lennig, of 68, the same pattern as the ongine * Le Prince into the teeth of a bevelled tooth_n, which is Upper Thames-street, is the patenter of this pro- Imperial,” one of the engines for which this firm capable of turning on the axis d. This bevelled cess for Great Britain. toothed pinion n is, by preference, connected to

were awarded the first prize gold medal at the

Wo cannot better conclude our notice of this late Paris Exhibition. The official trials of this its axis d so as to be caused to revolve with that invention than by giving the certificate of one of engine, which has a horizontal steam cylinder 6 in. axis by & clutch connection o, and the axis d the most celebrated analysts of the day--Dr. diameter, and a direct double-acting pump 5ļin. has motion given to it in the revolution of Lotheby-who says:-“I beg to state that I have diameter, with a long stroke of 18in., were made the wheel d by the teeth of a wheel c affixed made experiments with the preparation employed at Mulhouse a few days since, the results obtained to the whoel gearing with the teeth of a by Mr. Lenk in purifying water, and I find that being highly satisfactory, and remarkable for the pinion affixed on the axis d. The sup, the sulphate of alumina contained in it has the quick raising of steam. Lighting the fires with porting shoe to the framo e is placed in front power of precipitating much of the organic mattor cold water in the boiler, 100lb. pressure of steam of the crank motion above referrod to, so

common waters; and that when it fails to was raised in 7 minutes, when the engine comto protect it from being interfered with by the cut throw down the vegetable matter of marsh and menced pumping, and steadily maintained its grass or other material. This framo e is connected peat water, the astringent nature of the prepara- pressure, to the astonishment the spectators, to the bearing arm e' by the finger bar f. In the tion has, no doubt, a tendency to prevent the amongst whom were M. Kæchlin Dollfus, chief of arrangement shown by figs. 1 and 2, one of the usually unwholesome effect of such waters. It has main wheels only is used as a driving wheel, also the power of checking the putrefaction of well-known locomotive builder, with several of his

the Sapeurs Pompiers, and M. Andre Koechlin, tho namely, the wheel c which carties the toothod waters charged with organic manner; and, in staff. Jets of lin. and 1fin. diameter were projected wheel. The main axlo c'in this case does not these respects, I consider the preparation valuable. vertically, the former reaching quite 140ft. high; revolve, and both of the main wheels c! c are free --(Signed) H. LETHEBT."

two and four jets were also delivered at once, as to turn on it.

well as playing through 60ft. of hose, and lifting

water from a dopth of 20ft. The fire brigade of LENK'S PROCESS OF PURIFYING SEWAGE. DORSETT'S PETROLEUM FURNACE.

Mulhouse is rockoned second to none in France ;

THE SOME et erottenham, with a now process of

steam purposes still remains an open one as of 450 volunteers, possessing twenty-two manual purifying sewage, which is the invention of Mr. far as its practical adoption by the public is con- fire engines. The wator supply is from canals and Lenk, of Dresden. The process consists in mixing corned. Soveral methods of effecting the object small rivers running through the town, so that with the sowage a preparation of sulphate of alumina have been invented, and have been and we be the steam fire engines will be much employed in and alum, which precipitates all tho organic matter lieve are still- used by their respective inventors pumping water through long lines of hose. it contains. Upon the occasion in question, s with success. But we are not aware that the aptank measuring about 50ft. in length by 20ft. in plication of the principle extends beyond their breadth, was filled with 26,000 gallons of sewage, own boilers. The more important aspect of the The great Mowkee-Mullee viaduct on the Bhoro Yory black in appearance, and extremely offensive question is that which relates to the adoption of Ghaut of the Great Indian Peninsular Railway, which in smell. Forty-six gallons of the purifying essenco the system in steamships where space is an object, fell in bodily last year, has been replaced by an iron wore thon sprinkled over the surface of the fluid by in which respect petroleum offers great advan structure; direct railway communication between Doans of a hydropult, and afterwards stirred in tages otor coal. We believe this matter is being Poona and Bombay will now be restored.

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