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had a strong effect on the mind of Napoleon III. "Called by the sovereigns of the small states of Italy, who are powerless to repress the discontent of their subjects," says the Memorial, " Austria occupies militarily the greater part of the Valley of the Po and of Central Italy, and makes her influence felt in an irresistible manner, even in the countries where she has no soldiers. Resting on one side on Ferrara and Bologna, her troops extend themselves to Ancona, the length of the Adriatic, which has become in a manner an Austrian lake; on the other, mistress of Piacenza, which, contrary to the spirit, if not to the letter, of the Treaties of Vienna, she labors to transform into a firstclass fortress, she has a garrison at Parma, and makes dispositions to deploy her forces all along the Sardinian frontier, from the Po to the summit of the Apennines. This permanent occupation by Austria of territories which do not belong to her renders her absolute mistress of nearly all Italy, destroys the equilibrium established by the Treaties of Vienna, and is a continual menace to Piedmont." In conclusion, the plenipotentiaries say, "Sardinia is the only state in Italy that has been able to raise an impassable barrier to the revolutionary spirit, and at the same time remain independent of Austria. It is the counterpoise to her invading influence. If Sardinia succumbed, exhausted of power, abandoned by her allies, if she also was obliged to submit to Austrian domination, then the conquest of Italy by this power would be achieved; and Austria, after having obtained, without its costing her the least sacrifice, the immense benefit of the free navigation of the Danube, and the neutralization of the Black Sea, would acquire a preponderating influence in the West. This is what France and England would never wish,—this they will never permit."

These are grave and weighty words, and were well calculated to produce an effect on the mind of Napoleon III.; and we are convinced that they furnish a key to his conduct toward Austria, and set forth the occasion of the Italian War.

The supremacy of Austria once completely asserted over Italy, France would necessarily sink in the European scale in precisely the same proportion in which Austria should rise in it. The subjects of Francis Joseph would number sixty millions, while those of Napoleon III. would remain at thirty-six millions. The sinews of war have never been much at the command of Austria, but possession of Italy would render her wealthy, and enable her to command that gold which moves armies and renders them effective. Her commerce would be increased to an incalculable extent, and she would have naval populations from which to conscribe the crews for fleets that she would be prompt to build. Her voice would be potential in the East, and that of France would there cease to be heard. She would become the first power of Europe, and would exercise an hegemony far more decided than that which Russia held for forty years after 1814. It was to be expected that the Italians would cease fruitlessly to oppose her, and, their submission leading to her abandonment of the repressive system, they might become a bold and an adventurous people, helping to increase and to consolidate her power. They might prove as useful to her as the Hungarians and Bohemians have been, whom she had conquered and misruled, but whose youth have filled her armies. All these things were not only possible, but they were highly probable; and once having become facts, what security would France have that she would not be attacked, conquered, and partitioned? With sixty millions of people, and supported by the sentiment and arms of Germany, Austria could seize upon Alsace and Lorraine, and other parts of France, and thus reduce her strength positively as well as relatively. All that was talked of in 1815, and more than all that, might be accomplished in sixty years from that date, and while Napoleon III. himself should still be on the throne he had so

strangely won. That degradation of France which the uncle's ambition had brought about at the beginning of the

century would be more than equalled at the century's close through the nephew's forbearance. The very names of Napoleon and Bonaparte would become odious in France, and contemptible everywhere. On the other hand, should he interfere successfully in behalf of Italian nationality, he would reduce the strength of Austria, and prevent her from becoming an overshadowing empire. Her population and her territory would be essentially lessened. She would be cut off from all hope of making Italy her own, would be compelled to abandon her plans of commercial and maritime greatness, would be disregarded in the East, would not be courted by England, would lose half her influence in Germany, and would not be in a condition to menace France in any quarter. The glory of the French arms would be increased, the weight of France would be doubled, new lustre would shine from the name of Napoleon, the Treaties of Vienna would be torn up by the nation against which they had been directed, the most determined foe of the Bonaparte family would be punished, and that family's power would be consolidated.

Such, we verily believe, were the reasons that led Napoleon III. to plan an attack on Austria, that attack which has been so brilliantly commenced. That he has gone to war for the liberation of Italy, merely as such, we do not suppose; but that must follow from his policy, because in that way alone can his grand object be effected. The freedom of the Peninsula will be brought about, because it is necessary for the welfare of France, for the maintenance of her weight in Europe, that it should be brought about. That the Emperor is insensible of the glory that would come from the rehabilitation of Italy, we do not assert. We think he is very sensible of it, and that he enjoys the satisfaction that comes from the performance of a good deed as much as if he were not a usurper and never had overthrown a nominal republic. But we cannot agree with those who say that the liberation of Italy was the pure and simple purpose

of the war. He means that Austria shall not have Italy, and his sobriety of judg ment enables him to understand that France cannot have it. That country is to belong to the children of the soil, who, with ordinary wisdom and conduct, will be able to prevent it from again relapsing under foreign rule. The Emperor understands his epoch, and will attempt nothing that shall excite against himself and his dynasty the indignation of mankind. If not a saint, he is not a senseless sinner.

Our article is so long, that we cannot discuss the questions, whether Napoleon III. is not animated by the desire of vengeance, and whether, having chastised Russia and Austria, he will not turn his arms against Prussia and England. Our opinion is that he will do nothing of the kind. Prussia is not likely to afford him any occasion for war; and if he should make one, he would have to fight all the other German powers at the same time, and perhaps Russia. The only chance that exists for a Prussian war is to be found in the wrath of the Germans, who, at the time we write, have assumed a very hostile attitude towards France, and wish to be led from Berlin; but the government of Prussia is discreet, and will not be easily induced to incur the positive loss and probable disgrace that would follow from a Russian invasion, like that which took place in 1759. As to England, the Emperor would be mad to attempt her conquest; and he knows too well what is due to his fame to engage in a piratical dash at London. An invasion of England can never be safely undertaken except by some power that is master of the seas; and England is not in the least disposed to abandon her maritime supremacy. There would have to be a Battle of Actium before her shores could be in danger, and she must have lost it; and no matter what is said concerning the excellence of the French navy, that of England is as much ahead of it in all the elements of real, enduring strength, as it has been at any other period of the history of the two countries.

REVIEWS AND LITERARY NOTICES.

The Iron-Manufacturer's Guide to the Furnaces, Forges, and Rolling-Mills of the United States. By J. P. LESLEY. New York: John Wiley. 1859.

THIS valuable book is published by the Secretary of the American Iron-Associa tion, and by authority of the same. This Association-now four years old -is not a common trades-union, nor any impotent combination to resist the law of supply and demand. Its general objects, as stated in the constitution, are "to procure regularly the statistics of the trade, both at home and abroad; to provide for the mutual interchange of information and experience, both scientific and practical; to collect and preserve all works relating to iron, and to form a complete cabinet of ores, limestones, and coals; to encourage the formation of such schools as are designed to give the young iron-master a proper and thorough scientific training, preparatory to engaging in practical operations." In pursuance of this wise and liberal policy, the Association has now published this "Iron-Manufacturer's Guide," containing, first, a descriptive catalogue of all the furnaces, forges, and rolling-mills of the United States and Canada; secondly, a discussion of the physical and chemical properties of iron, and its combinations with other elements; thirdly, a complete survey of the geological position, chemical, physical, or mechanical properties, and geographical distribution of the ores of iron in the United States.

The directory to the iron-works of the United States and Canada enumerates 1545 works of various kinds, of which 386 are now abandoned; 560 blast-furnaces, 389 forges, and 210 rolling-mills are now in operation; and the directory states the position, capacity, and prominent characteristics of each furnace, forge, or mill, the names of the owners or agents, and, in many cases, the date of the construction of the works, and their annual production. The great importance of the iron-manufacture, as a branch of industry, in this country, is clearly demonstrated by this very complete catalogue. It shows that in the year 1856 there were nearly twelve hun

dred active iron-factories in the United States, and that they produced about eight hundred and fifty thousand tons of iron, worth fifty millions of dollars. When we consider that the greater part of the iron thus produced is left in a rough and crude state, merely extracted from its ores and made ready for the use of the blacksmith, the machinist, and the engineer, when we remember that human labor multiplies by hundreds and by thousands the value of the raw material, that a bar of iron which costs five dollars will make three thousand dollars' worth of penknife-blades and two hundred and fifty thousand dol lars' worth of watch-springs, we begin to understand the importance of the ironmanufacture, as an element of national wealth, independence, and power.

A fourth part of all the iron-works which have been constructed in this country have been abandoned by their projectors, in despair of competing with the cheap iron from abroad, which the low ad-valorem tariffs have admitted to the American market. The story which these ruined works might tell, of hopes disappointed, capital sunk, and labor wasted, would be long and dreary. From an excellent diagram, appended to the “Guide," illustrating the duties on iron, the importations, and the price of the metal, for each year since 1840, we learn that the average annual importation of iron under the specific tariff of 1842 was 77,328 tons, while under the ad-valorem tariff of 1846 it was 373,864 tons. The increase in the importation of foreign iron under the tariff of 1846 was more than ten times the increase of the population, and more than thirty-eight times the increase in the domestic production. The ironmasters of this country have been compelled to struggle against a host of formidable difficulties, adverse legislation, the ruinous competition of English iron, the dearness of labor, and the high rates of interest on borrowed capital. These have all been met, and, let us hope, in good part overcome. Slowly, and with many hindrances and disasters, the iron-business is gaining strength, and achieving independence of foreign competition and the tender mercies of legislators. Very conclusive

evidence of this gradual growth is presented in the unusually accurate statistics of the "Iron-Manufacturer's Guide." Of the 1,209,913 tons of iron consumed in the United States in the year 1856, 856,235 tons, or seventy-one per cent. of the whole, was of domestic manufacture. The catalogue of iron-works shows that the country now possesses many extensive and wellconstructed works, of which some are still owned by the men who built them, but the larger part have descended, at great sacrifices, to the hands of more fortunate proprietors. Beside the accumulated stock of machinery, knowledge of the ores and fuel has been gained, experience has refuted many errors and pointed out the dangers and difficulties to be overcome, the natural channels of communication throughout the country have been opened, and a large body of skilled workmen has been trained for the business and seeks steady employment. Whenever a rise in the price of iron stimulates the manufacture, the domestic production of iron suddenly expands, and increases with a rapidity which gives evidence of wonderful elasticity and latent strength. Twice within twenty years the production of American iron has nearly doubled in a period of three years. Twelve years ago no railroad-iron was made in the United States. In 1853 we imported 300,000 tons of rails, and in 1854 280,000 tons; but in 1855 only 130.000 tons were imported, while 135,000 tons were made at home, and in 1856, again, nearly one half of the 310,000 tons of rails consumed was of domestic production. The admitted superiority of the American rails has undoubtedly contributed to this result.

In spite of these encouraging signs, these sure indications of the success which at no distant day will reward this branch of American industry, it must not be imagined that checks and reverses are hereafter to be escaped. The production of the year 1857 promised in the summer to be much larger than that of 1856; but the panic of September wrought the same effect in the iron-business as in all the other manufactures of the country, and in the spring of 1858 more than half of the iron-works of the United States were standing idle. Mr. Lesley states that the returns received in answer to the circular issued by the Iron-Association, July 1, 1858, were, almost without exception, un

favorable, and that these replies are sufficient to prove a very serious diminution in the production of iron for the year 1858. When the manufacture of iron, in its various branches, has expanded to its true proportions, and has reached a magnitude and importance second only to the agricultural interest of the country, the iron-masters of that generation may read in this first publication of the Iron-Association the record of the struggles and trials of their more adventurous, but less fortunate predecessors.

The construction of the directory which constitutes the first part of the “Guide" might be improved in several respects. An alphabetical arrangement of the furnaces, forges, and rolling-mills, in each State, would be much more convenient for reference than the obscure and uncertain system which has been followed. If a State can be divided, like Pennsylvania, into two or three sections, by strongly marked geological features, it would, perhaps, be well to subdivide the list of its iron-works into corresponding sections, and then to make the arrangement of each seetion alphabetical. But convenience of reference is the essential property of a direotory; and to that convenience the natural desire to follow a geological or geographical arrangement should be sacrificed. Some important items of information, such as the means of transportation, and the distance of each furnace or forge from its market, are not given in all cases; the power by which the works are driven, whether steam or water, is not uniformly stated; and the pressure of the blast used, that very important condition of success in the management of a furnace, is stated in only a very few instances. A useful piece of information, seldom given in the descriptions of forges and rolling-mills, is the source from which the iron used in the works is obtained; and it is also desirable that the nature of the work done in each forge or mill should be invariably stated. It would be interesting to know the number of men employed in the iron-manufacture throughout the country, and it would not seem difficult for the Association to add this fact to the very valuable statistics which they have already collected. The descriptions of abandoned works are not all printed in small type. If this rule is adopted in the directory, it should

be uniformly adhered to. The maps accompanying the directory, which were made by the photolithographic process, are all on too small a scale, and consequently lack clearness. The colored lithographs, which exhibit the anthracite furnaces of Pennsylvania and the iron-works of the region east of the Hudson River, are altogether the best illustrations in the book.

An elaborate discussion of iron as a chemical element occupies another division of the book. Its purpose is to instruct the iron-master in the chemical properties and relations of the metal with which he deals; and to this end it should be clear, concise, and definite, and, leaving all disputed points, should explain the known and well-determined characteristics of iron and its compounds with other elements. Mr. Lesley, the compiler of the book, distinctly states in the Preface that he is no chemist, and we are therefore prepared to meet the occasional inaccuracies observable in this chemical portion of the "Guide." It lacks condensation and system; matters of very little moment receive disproportionate attention; and pages are filled with discussions of nice points of chemical science still in dispute among professed chemists, and wholly out of place in what should be a brief elementary treatise on the known properties of iron. If these questions in dispute were such as the practical experience of the iron-master might settle, or, indeed, throw any light upon, there would be an obvious propriety in stating the points at issue; but if the question concerns the best chemical name for iron-rust, or the largest possible per cent. of carbon in steel, the practical metallurgist should not be perplexed with problems in analytical chemistry which the best chemists have not yet solved.

Valuable space is occasionally occupied by the too rhetorical statement of matters which would have been better presented in a simpler way; thus, the fervid description of oxygen, however appropriate in Faraday's admirable lectures before the Royal Institution, is out of place in the "Iron-Manufacturer's Guide." We must also enter an earnest protest against the importation, upon any terms, of such words as "ironoxydulcarbonate," "ironoxydhydrate," and the adjective "anhydrate." Some descriptions of considera

no

ble imaginative power have found place even in the directory of works. From the description of the Allentown furnaces we learn, with some surprise, that finer object of art invites the artist"; and again, "that the repose of bygone centuries seems to sit upon its immense walls, while the roaring energy of the present day fills it with a truer and better life than the revelry of Kenilworth or the chivalry of Heidelberg." The average age of the Allentown works subsequently appears to be nine years.

Another principal division of Mr. Lesley's book treats of the ores of iron in the United States. This portion of the book contains much valuable and interesting information, which has never been published before in so complete and satisfactory a form. The geographical and geological position of every ore-bank in the country, which has been opened and worked, is fully described, with many details of the peculiar properties, mineralogical associations, and history of each bed or mine. The inexhaustible wealth of the country in ores of iron is clearly shown, and the supériority of the American ores to the English needs no other demonstration than can be found on the pages of this catalogue of our ore-beds. Two or three geological maps, to illustrate the distribution of the ores, would have been an instructive addition to the book. In this section, as in the preceding one on the chemistry of iron, much space is misapplied to the discussion of questions of structural geology, of opposing theories of the formation of veins, and other scientific problems with which the iron-master is not concerned, and which he cannot be expected to understand, much less to solve. We regret the more this unnecessary introduction of comparatively irrelevant matters, when we find, at the close of the volume, that the unexpected length of the discussion of the ores has prevented the publication of several chapters on the machinery now in use, the hot-blast and anthracite coal, the efforts to obtain malleable iron directly from the ore, and the history and present condition of the iron-manufacture in America.

The American Iron-Association, by their Secretary, have accomplished a very laborious and valuable work, in accumulating and digesting the mass of facts and sta

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