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Ships' Bottoms.—Two Schooners crews had mutinied, and the expediare now building, with the view of tion was at St. Mary's, a little south being employed in an experiment of Conception. All the scientific for ascertaining the merits of a new gentlemen had been landed on the plan of protecting ships' bottoms. coast of Peru. In one schooner, the fastenings of Vacuum Engine.—A few weeks the materials are to consist of cop ago, an engine of a new construcper bolts, and the bottom is to be tion was put into operation, for the sheathed with thin iron plates, pro
purpose of draining Soham Meer, in tected by bands of zinc. The fas the Fen district. The principle of tenings of the second schooner are the machine is the formation of a to be of iron only, protected in like vacuum in a cylinder by the commanner by rings or pieces of zinc. bustion of hydrogen gas, and forcing
Coal Mines.-Mr. Buddle recent water into this vacuum by means of ly sent an account to the Newcastle atmospheric pressure. It is said to Natural History Society, of a sin be capable of being worked at twogular phenomenon occurring in the thirds of the expence of a steameast drift of Jarrow colliery, where it engine. was found, that as the workmen pro Coronation Robes.—The Coronaceeded, powerful eructations took tion Robe of his late Majesty was place, when the coal was struck by sold after his death, by auction, for the pick. These were as loud as a few pounds. It was a light tawthe report of a musket, and by their dry piece of costume, and of little force, large splinters of coal were intrinsic value. The Coronation thrown off, much to the alarm and Robe of Napoleon was altogether annoyance of the workmen. Mr. B. a different matter-it weighed as suggested that the late accident much as eighty pounds; and was might be attributed to an eruption lined with the skins of no less than of this nature, but of much greater sir thousand ermines. This brilli. magnitude.
ant garment was afterwards conBlue Colour of the Skin.-Dr. verted into vestments for the clergy Paris is engaged in experiments to of Notre Dame. prove the efficacy of a remedy for Royal Society. This society was removing that peculiarly blue colour chartered expressly for the purpose of the skin which results from the of improving Natural Science, in internal use of Nitrate of Mercury. the expectation of lessening the inThe remedy consists of a modified fluence of super-natural science, application to the skin of the vol which at the time when the society taic battery, which has proved to was founded, had become alarmingly bave such wonderful efficacy in de extensive. As we are upon the composing living animal matter. .subject of the Royal Society, we
Fatal Effects of Steam.-An Ame may mention that we some time rican philosopher has calculated that ago inquired on behalf of a reup to a recent period, no fewer than spectable correspondent, in what 1500 lives have been lost in the manner the late Earl of BridgeUnited States, by explosions of water's legacy of 8000l. for two Steam-boat Boilers.
essays had been disposed of. We South Sea Expedition.—The ex now learn that the affair has been ploring expedition from the United snugly managed between Mr. States to the South Seas is a failure. Charles Bell, Dr. Roget, and ProThe American papers state that the fessor Buckland.
Blind Traveller.-It is almost pers, amounting to 33 periodical incredible but still very true, that publications. In the new state of one of the most active and enter- Ohio alone, in America, there are prising of modern travellers, is Mr. no less than 101 Newspapers, beHolman, a blind gentleman. He sides 5 monthly Journals. lately visited the chief districts of Newspaper Stamps.—The publie Hindostan, and in August last left ought to be careful in insisting on Calcutta for China. The idea of a the reduction of the price of their blind man travelling, seems such a Newspapers, to the full amount of solecism, that we doubt not but the stamp tax taken off. The case that many persons doubt the truth of the Nautical Almanack is fully of the above representation. Dr. in our recollection. Government Walsh, who met Mr. Holman in remitted the whole of the stamp Brazil, and who was indebted to duty(18.3d.)on this publication, but that gentleman for many useful those who have the management of directions for travelling into the it, made an abatement of the price interior of the Brazils, told us that to only the extent of one shilling. Mr. Holman, to his knowledge, was The New Beer Act.—It appears, entirely deprived of sight, and upon from Parliamentary Returns, that matters of this sort it would not be five thousand three hundred and easy to puzzle the Doctor.
seventy-nine beer-houses have been March of Iron.—There is now opened under the new Act, in Engplying on the great canal between land and Wales ; while the number Tophil and Dundas, in Scotland, a of public houses licensed is 45,624. boat composed of the best malleable The number of beer-houses opened Iron-she is 66 feet long, and 6 feet in Wales is 1,773, nearly half the in breadth, and her whole weight number opened in all Englandis but 2. tons.
the number for England is 3,606. Witchcraft.- In the beginning of In The Press.-An Epitome of the last month, a Friendly Society English Literature in monthly numat Bridgewater discovered that their bers, from the indefatigable Valpy box containing 541. had been bro- press.-Lord Henley's Life of Lord ken open, and the contents stolen. Northington. — Speeches of Mr. A proposition was made that re- Huskisson.—The Smuggler, by the course should be had to witchcraft, O‘Hara Family.—Jacob's Enquiry in order to find out the thief. The concerning the Precious Metals.motion was carried amid acclama- Collier's Annals of the Stage.—Life tion and two deputies were actually of Sir Thomas Lawrence.—Life of sent from that place to Westleigh, Fuseli.—Dr. Johnson on effects of in Devon, to consult a man, named Change of Air.—The Lady's MediBaker, a reputed white witch. We cal Guide.-An Account of the take the account of this astonishing Dynasty of the Khajars, translated symptom of ignorance from the Bath from a manuscript, presented by his Journal, marvelling that persons Majesty Feth Ally Shah, to Sir who have the wit to form a Friendly Harford Jones Brydges, Bart., in Society, should have the folly to be- the year 1811, containing an aclieve in witchcraft.
count of the Family to that period. Literature.-It is boasted of as -Mr. Martin is engraving two a circumstance honourable to Bri- prints,
prints, “ Satan presiding at the tish enterprize, that there are in Infernal Council," and “PandeinoCalcutta, in the English language, nium,” on the same scale as the Annuals, Magazines and Newspa- Belshazzar's Feast.
Marine Steam Engine, with Messrs. Braithwaite and Ericsson's Boiler. - We give, on the preceding page, a Plan for which we are indebted to the Editor of the MechanICS' MAGAZINE, and which is intended to show the great saving of space effected by the application of Messrs. Braithwaite and Ericsson's boiler to marine engines. It has been constructed from working plans of both sorts of boilers by George Taylor, Esq., the agent at Manchester of the South and West of England Steam Navigation Company, with the assistance of Mr. Charles Todd, civil engineer.
Fig. 1., A, represents the space occupied by a boiler on the old plan; a, the chimney ; bbb, the fire-grates. BB, the improved boiler ; cc, the fire-grates ; ee, space for firing for the improved boiler. C, double steam engine of 140-horse power; dd, the paddle-shaft.
According to the dimensions given in the engraving, the saving is 389 superficial square feet, or 20 feetin the length of the vessel—a space adequate to the stowage, on the most moderate computation, of 180 tons of admeasurement goods.
When at Liverpool, says the Editor of the M.M. we saw a boiler on this principle at Messrs. Laird's manufactory, for the Hibernia packet, belonging to the City of Dublin Steam Navigation Company, and were informed that another bad been ordered for the Corsair, Belfast steamer. We also personally witnessed a most satisfactory experiment, made at the same place, with a small boiler of this kind; the same with which the experiments reported on by Messrs. Nimmo and Vignoles, in May, 1829, was made. See “ Mech. Mag.” vol. xiii. p. 235. Within thirty minutes after the fire was lighted, and the exhausting apparatus set to work, the steam was blowing off at 4lbs. pressure, being exactly about half the time usually required for that purpose. Messrs. Nimmo and Vignoles mention in their report, that so much of the heat is absorbed in passing through the flues, " that the hand and arm may be placed with impunity down the tube (at its external termination), the temperature probably not exceeding 180° of Fah." We repeated this experiment, and found the heat even less than here supposed; a thermometer, which we held in our hand, reached only 112o.
178 Fig. 2 is an elevation of the front of the improved boiler represented in fig. 1. D is the fire-door ; E, the ash-pit.
Art. I.—A History of England from the First Invasion by the Romans.
By John Lingard, D.D. 8vo. Vols. XI., XII., XIII., and XIV.
London: Baldwin and Co. 1829-30.
It would require much more time and space than a monthly