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Scientific American Supplement, No. 388, June 9, 1883

IRON AND STEEL.

Reading edition

At the recent meeting of the Iron and Steel Institute, London, the president-elect (Mr. Bernard Samuelson, M.P.), delivered the following inaugural address:

THE WORLD'S PRODUCTION OF PIG IRON.

He showed that the world's production of pig iron has increased in round numbers from 10,500,000 tons in 1869 to 20,500,000 tons in 1882. The blast furnaces of 1869 produced on the average a little over 180 tons per week, with a temperature of blast scarcely exceeding 800° Fahr. The consumption of coke per ton of iron varied from 25 to 30 cwt. To-day our blast furnaces produce on the average upward of 300 tons per week.

The Consett Company have reached a production of 3,400 tons in four weeks, or 850 tons per week, and of 134 tons in one day from a single furnace.

From the United States we have authentic accounts of an average production of 1,120 tons per furnace per week having been attained, and that even this great output has lately been considerably exceeded there. Both as to consumption of fuel and wear and tear, per ton of iron produced, these enormous outputs are attended with economy.

In the case of the Consett furnace they were obtained although the heat of the blast was under 1,100° Fahr., while heats of 1,500° to 1,600° are not uncommon at the present day in brick stoves, thanks to the application of the regenerating principle of ex-president Sir W. Siemens.

But an economy which promises to be of great importance is now sought in the recovery and useful application of those constituents of coal which, in the coking process, have hitherto been lost; or, as an alternative, in a similar recovery in those cases in which the coal is charged in a raw state into the blast furnace, as is the practice in Scotland and elsewhere. This recovery of the hydrocarbons and the nitrogen contained in the coal, and their collection as tar and ammoniacal liquors, and subsequent conversion into sulphate of ammonia as to the latter, and into the various light and heavy paraffin oils and the residual pitch as to the former, have now been carried on for a considerable time at two of the Gartsherrie furnaces; and they are already engaged in applying the necessary apparatus to eight more furnaces. In the coke oven the recovery of these by-products—if that name can be properly applied to substances which yield the most brilliant colors, the purest illuminants, and the flesh-forming constituents supplied by the vegetable world—would appear at first sight to be simpler; but it has presented its own peculiar difficulties; the chief of which was, or was believed to be, a deterioration in the quality of what has hitherto been the principal, but what may, perhaps, come to be regarded hereafter as the residual product, namely, the coke. But the more recent experience of Messrs. Pease, at Crook, appears not to justify this opinion. You will see on our table specimens of the coke produced in the Carves-Simon oven, yielding 75 to 77 per cent. of coke from the Pease's West coal, which they have now had at work for several months. Twenty-five of these ovens are at work, and the average yield of ammoniacal liquor per ton of coal has been 30 gallons of a strength of 7° Twaddell, valued at 1d. per gallon at the ovens; the quantity of tar per ton has been 7 gallons, valued at 3d. per gallon. These products would therefore realize 4s. 3d. per ton of coal. Of course the profit on the ton of coke is considerably more, and to this has to be added the value of the additional weight of coke, which in the ordinary beehive ovens from coal of the same quality is only 60 per cent. or in beehive ovens having bottom flues about 66 per cent., while in the Carves ovens it is, as I have said, upward of 75 per cent. Against these figures there is a charge of 1s. 4d. per ton of coke for additional labor, including all the labor in collecting the by-products; the interest on the first cost of the plant, which is considerable, and probably some outlay for repairs in excess of that in the case of ordinary ovens, has also to be charged. Mr. Jameson takes credit for the combustible gas, which is used up in the Carves ovens, but which remains over in his process, and is available, though not nearly all consumed, in raising steam for the various purposes of a colliery, including, no doubt, before long, the generation of electricity for its illumination. It is right to state that prior to 1879 Mr. Henry Aitken had applied bottom flues for taking off the oil and ammoniacal water to beehive ovens at the Almond Ironworks, near Falkirk. He states that the largest quantity of oil obtained was eleven gallons, the specific gravity varying from 0.925 to 1.000, and that the water contained a quantity of ammonia fully equal to 5½ lb. of sulphate of ammonia to the ton of coal coked. The residual permanent or non-condensed gases were allowed to issue from the end of the condenser pipe, and were burnt for light in the engine-houses, but it was intended to force them into the oven again above the level of the coke. Owing to the works being closed, nothing has been done with these ovens for some years. I may mention, by the way, that it is proposed to apply the principle of Mr. Jameson's process to the recovery of oil and ammonia from the smouldering waste heaps at the pit-bank, by the introduction into these of conduits resembling those which he applies to the bottom of the beehive oven. There is every reason to expect that one or more of these various methods of utilizing valuable products which are at present lost will be carried to perfection, and will tend to cheapen the cost at which iron can be produced, and still further to increase its consumption for all the multifarious purposes to which it is applied.

WONDERFUL USES AND DEMAND FOR IRON AND STEEL.

But the world's annual production of 20,000,000 tons of pig iron is itself sufficiently startling, and without attempting to present to you the statistics of all its various uses—for which, in fact, we do not possess the necessary materials—the increased consumption of more than 9,000,000 tons since 1869 becomes conceivable when we consider how some of the great works in which it is employed have been extending during that or even a shorter interval. And of these I need only speak of the world's railways, of which there were in 1872 155,000 miles, and in 1882 not less than 260,000, but probably more nearly 265,000 miles. In the United States alone about 60,000 miles of railway have been built since 1869—the year, I may remind you in passing, in which the Atlantic and Pacific States of the Union were first united by a railway; while in our Indian Empire the communication between Calcutta and Bombay was not completed till the following year.

The substitution of iron and steel for wood in the construction of ships, and the enormous increase in the tonnage of the world, in spite of the economy arising from the employment of steamers in place of sailing ships, is perhaps the element of increased consumption next in importance to that of railways. I do not think that the materials are available for estimating with any accuracy the amount of this increase, but I believe I am rather understating it if I take the consumption of iron and steel used last year throughout the world in shipbuilding as having required considerably more than 1,000,000 tons of pig iron for its production, and that this is not far short of four times the quantity used for the same purpose before 1870. And so all the other great works in which iron and steel are employed have increased throughout the world. It would be tedious to indicate them all.

Among those which rank next in importance to the preceding, I will only name the works for the distribution of water and gas, which in this country and in the United States have been extended in a ratio far greater than that of the increase of the population, and which, since the conclusion of the Franco-German war, and the consolidation of the German and Italian States, are now to be found in almost every European town of even secondary importance; and bridges and piers, in the construction of which iron has almost entirely superseded every other material.

It is difficult to imagine what would have been the state of the iron industry in this country if we had been called upon to supply our full proportion of the enormously increased demand for iron. To meet that proportion, the British production of pig iron should have been close on 11,000,000 tons in 1882, a drain on our mineral resources which cannot be replaced, and which, especially if continued in the same ratio, would have been anything but desirable. Fortunately, as I am disposed to think, other countries have contributed more than a proportionate amount to the increase in the world's demand; and, paradoxical as it may appear, it is possible that, to this country at least, the encouragement given by protective duties to the production of iron abroad may have been a blessing in disguise.

PROGRESS OF BESSEMER STEEL.

To speak of the enormous increase in the production of steel by the introduction of the Bessemer process has become a commonplace on occasions like the present, and yet I doubt whether its real dimensions are generally known or remembered. In 1869 the manufacture of Bessemer steel had already acquired what was then looked upon as a considerable development in all the principal centers of metallurgical industry, except the United States, but including our own country, Germany, France, and Austria, and the world's production in that year was 400,000 tons. Last year it was over 5,000,000 tons, and it has doubled in every steel-producing country during the last four years, except in France, where, during this latter period, the increase has not been much more than one-fourth. What is almost as remarkable as the enormous increase in the production of Bessemer steel is the great diminution in its cost. In the years preceding 1875, the price of rails manufactured from Bessemer ingots fluctuated between £10 and £18 per ton, and I remember Lord George Hamilton when he was Under-Secretary for India of Lord Beaconsfield's administration in 1875 or 1876, congratulating himself on his good fortune in having been able to secure a quantity of steel rails for the Indian government at £13 per ton. Within the last three years we have seen them sold under £4 10s. in this country, and £5 10s. in Germany and Belgium.

LATEST IMPROVEMENTS IN IRON MAKING.

This great reduction is the cumulative result of a number of concurrent improvements, partly in the conversion of the iron, and partly in the subsequent treatment of the ingot steel. In most of the great steelworks the iron is no longer remelted, but is transferred direct from the blast furnace to the converter, a practice which originated at Terre-Noire, and was long considered in this country to be incompatible with uniformity in the quality of the steel produced. The turn-out of the converter plant has been gradually increased in this country to more than four times that of fourteen years ago, while the practice of the United States is stated by a recent visitor to have reached such an astounding figure that I am afraid to quote it without confirmation; but the greatest economy arises no doubt in the labor and fuel employed in the mill.

Cogging has taken the place of hammering. Even wash-heating will be, if it is not already, generally dispensed with by the soaking process of our colleague, Mr. Gjers, which permits of the ingot, as it leaves the pit, being directly converted into a rail.

STEEL RAILS 150 FEET LONG.

An extract from a letter addressed to me by our colleague, Mr. E.W. Richards, will describe better than any words of mine the perfection at which steel rail mills have arrived. He says, "Our cogging rolls are 48 in. diameter, and the roughing and finishing rolls are 30 in. diameter. We roll rails 150 feet long as easily as they used to roll 21 feet. Our ingots are 15½ inches square, and weigh from 25 to 30 cwts. according to the weight of rail we have to roll. These heavy ingots are all handled by machinery. We convey them by small locomotives from the Bessemer shop to the heating furnaces, and by the same means from the heating furnaces to the cogging rolls.

So quickly are these ingots now handled that we have given up second heating altogether, so that after one heat the ingot is cogged from 15½ inches square down to 8 inches square, then at once passed on to the roughing and finishing rolls, and finished in lengths, as I have said before, of 150 ft., then cut at the hot saws to the lengths given in the specifications, and varying from 38 ft. to about 21 ft. The 38 ft. lengths are used by the Italian 'Meridionali' Railway Company, and found to give very satisfactory results." I need scarcely say that in a mill like this, the expenditure of fuel and labor and the loss by waste caused by crop ends are reduced to a minimum.

BASIC STEEL.

The enormous production of steel has required the importation of large quantities of iron ore of pure quality from Spain, Algeria, and elsewhere, into this country, France, Belgium, Germany, and the United States; and these supplies have contributed greatly to the reduction in the price of steel to which I have referred, and what is, perhaps, of equal importance, they have prevented the great fluctuations of price which formerly prevailed. In 1869 this trade was in its infancy, and almost confined to the importation of the Algerian ores of Mokta el Hadid into France, while in 1882 Bilbao alone exported 3,700,000 tons of hematite ores to various countries to which the exports from the south of Spain, Algeria, Elba, Greece, and other countries have to be added. Great Britain alone imported 3,000,000 tons of high class, including manganiferous iron ores last year.

It is questionable whether the mines of pure iron existing in Europe would long bear a drain so great and still increasing; but happily the question no longer presses for an answer, because the problem of obtaining first-class steel from inferior ores has been solved by the genius of our colleagues, Mr. Snelus and Messrs. Thomas and Gilchrist, and by the practical skill and indomitable resolution of Mr. Windsor Richards. It is no part of the duty of the Institute to assign to each of these gentlemen his precise share in the development of the basic process. Whatever those shares may be, I feel sure you will agree with your council as to the propriety of their having awarded a Bessemer medal to two of these gentlemen—Messrs. Snelus and Thomas—to Mr. Snelus as the first who made pure steel from impure iron in a Bessemer converter lined with basic materials; to Mr. Thomas, who solved the same problem independently, and so clearly demonstrated its practicability to Mr. Richards by the trials at Blaenavon, as to have led that gentleman to devote all his energies and the great resources of the Eston Works to the task of making it what it now is, a great commercial success. All difficulties connected with the lining of the converter and in insuring a durability of the bottom, nearly, if not quite, equal to that in the acid process, appear now to have been successfully surmounted, and I am informed by Mr. Gilchrist that the present production of basic steel in this country and on the Continent is already at the rate of considerably more than 500,000 tons per annum, and that works are now in course of construction which will increase this quantity to more than a million tons.

Our members will have the opportunity of seeing the process at work during their visit to Middlesbrough, at the Eston Works of Messrs. Bolckow, Vaughan & Co., which are now producing 150,000 tons per annum of steel of the highest quality from the phosphoretic Cleveland ores; and also at the North-Eastern Steel Company's Works. I believe it is the intention of the latter company to make a pure, soft steel suitable for plates, for which, according to the testimony of Mons. Delafond, of Creuzot, and others, the basic steel is peculiarly suitable on account of its remarkable regularity. I shall have the pleasure of presenting to Mr. Snelus the medal which he has so well deserved.

HONORS AND REWARDS TO INVENTORS.

The presentation to Mr. Thomas is deferred. His arduous labors having affected his health, he is at present in Australia, after having, I am happy to say, received great advantage from the voyage; and his mother, justly proud of his merits, and appreciating fully the value of their recognition by the award which we have made, has requested us not to present the medal by proxy, but to await the return of her son, in order that it may be handed to him in person. But honors, whether conferred by the Crown, by learned bodies, or, as in this case, by the colleagues of the recipient, though they stimulate invention, are by themselves not always sufficient to encourage inventors to devote their labor to the improvements of manufactures or to induce capitalists to assist inventors in the prosecution of costly experiments; and it is on this account that the protection of inventions by patent is a public advantage. The members of our profession, unlike some others, have not been eager to apply for patents in the case of minor inventions; on the contrary, they have freely communicated to each other the experience as to improvement in detail which have resulted from their daily practice. It has been well said that all the world is wiser than any one man in it, and this free interchange of our various experiences has tended greatly to the advancement of our trade. But new departures, like the great invention of Sir H. Bessemer, and important improvements like the basic process, require the protection of patents for their development.

THE PATENT LAWS.

The subject of the patent laws is, therefore, of interest to us, as it is to other manufacturers. You are aware that the Government has introduced a bill for amending these laws. If that bill should pass, it will effect several important changes. It will, in the first place, enable a poor man to obtain protection for an invention at a small cost; secondly, it will make it more difficult than at present for a merely pretended invention to obtain the protection and prestige of a patent; thirdly, it will promote the amalgamation of mutually interdependent inventions by the clause which compels patentees to grant licenses; and, lastly, it will enable the Government to enter into treaties with other powers for the international protection of inventions. If you should be of opinion that these are objects deserving of your support, I hope that you will induce your representatives in the House of Commons to do all that is in their power to assist the Government in passing them into law.

GROWTH OF THE SIEMENS-MARTIN PROCESS.

The growth of the open hearth or what is known as the Siemens-Martin process of making steel, during the interval from 1869 to the present time, has been no less remarkable than that of the Bessemer process; for though it has not attained the enormous dimensions of the latter, it has risen from smaller beginnings. Mr. Ramsbottom started a small open-hearth plant at the Crewe Works of the London and North-Western Railway, in 1868, for making railway tires, and the Landore Works were begun by Sir W. Siemens in the same year. On the Continent there were a few furnaces at the works of M. Emile Martin, at the Firming Works, and at Le Creuzot. None of these works, I believe, possessed furnaces before 1870, capable of containing more than four-ton charges, ordinarily worked off twice in twenty-four hours. The ingots weighed about 6 cwt., and the largest steel casting made by this process, of which I can find any account, did not exceed 10 cwt. At the present day, we have furnaces of a capacity of from 15 to 25 tons, and by combining several furnaces, single ingots weighing from 120 to 125 tons have been produced at Le Creuzot. The world's production of open-hearth steel ingots for ship and boiler plates, propeller shafts, ordnance, wheels and axles, wire billets, armor plates, castings of various kinds, and a multiplicity of other articles, cannot have been less than from 800,000 to 850,000 tons in 1882.

The process itself has followed two somewhat dissimilar lines. In this country, iron ores of a pure quality are dissolved in a bath of pig iron, with the addition of only small quantities of scrap steel and iron. At Le Creuzot large quantities of wrought iron are melted in the bath. This iron is puddled in modified rotating Danks furnaces containing a charge of a ton each. The furnaces have a mid-rib dividing the product into two balls of 10 cwt., which are shingled under a 10-ton hammer. The iron is of exceptional purity, containing less than 0.01 per cent. of phosphorus and sulphur. I should add that the two rotating furnaces produce 50 tons of billets in twenty-four hours.

PRESENT PRODUCTION OF WROUGHT IRON.

Meanwhile, the world's production of wrought iron has not been stationary. I cannot give very accurate figures, as the statistics of some countries are incomplete, while in others the output of puddled bar only, and not that of finished iron, has been ascertained. The nearest estimate which I can arrive at is a production increased from about 5,000,000 tons in 1869 to somewhat over 8,000,000 tons of finished iron in 1882; an increase all the more remarkable when it is considered that at the present time iron rails have been almost entirely superseded by steel. It is due, no doubt, in part to the extensive use of iron plates and angles in shipbuilding; but, apart from these, and from bars for the manufacture of tin-plates, the consumption has increased for the numberless purposes to which it is applied in the world's economy.

PROGRESS OF PUDDLING.

There has been no striking improvement in the manufacture of puddled iron, partly on account of the impression that it is doomed to be superseded by steel. Mechanical puddling has made but little progress, and few of the attempts to economize fuel in the puddling furnace, by the use of gas or otherwise, have been successful. I would, however, draw attention to the remarkable success which has attended the use of the Bicheroux gas puddling and heating furnaces at the works of Ougrée, near Liege. The works produce 20,000 tons of puddled bars per annum, in fifteen double furnaces. The consumption of coal per ton of ordinary puddled bar is under 11 cwt., and per ton of "fer à fin grain" (puddled steel, etc.) 16 cwt. The gas is produced from slack, and the waste heat raises as much steam as that from an ordinary double furnace. The consumption of pig iron per ton of puddled bar was rather less than 21½ cwts. for the year 1882; and that of "mine" for fettling was 33 lb. The repairs are said to be considerably less than in the ordinary furnaces, and the puddlers earn from 25 to 30 per cent. more at the same tonnage rate. I have already mentioned the large consumption, reckoned in tons of pig iron, of the materials for shipbuilding.

GROSS OF IRON AND STEEL SHIP BUILDING.

It may be useful to add that the gross tonnage of iron vessels classed during 1882 by the three societies of Lloyd's, the Liverpool Registry, and the Bureau Veritas was 1,142,000, and of steel 143,000 tons, and that the proportion of steel to iron vessels is increasing from year to year. I am informed by our colleague, Mr. Pearce, of Messrs. Elder's firm, that the largest vessel built by them in 1869 was an iron steamer, of 3,063 tons gross, with compound engines of 3,000 horse power, working at 60 lb. pressure; speed, 14 knots.

A GIGANTIC STEAMER.

The largest vessel now on the ways is the Oregon, of 7,400 tons gross, and 13,000 horse power; estimated speed, 18 knots. The superficial area of the largest plates in the former was 22½ square feet; that of the largest plate in the latter is 206 square feet. The Oregon is an iron vessel, but some of the largest vessels now being built by Mr. Pearce's firm are of steel.

The information which I have obtained from Messrs. Thomson, of Glasgow, is especially emphatic as to the supersession of iron by steel in the construction of ships. They say that large steel plates are as cheap as iron ones, and that they have never had one bad plate or angle in steel. This is confirmed by Mr. Denny, who says: "Whenever our shipwrights or smiths have to turn out anything particularly difficult in shape, and on which much 'work' has to be put, they will get hold of a piece of steel if they can."

REMARKABLE MACHINERY AND TOOLS.

It will be readily understood that the rolls, the hammers, the machinery for punching, drilling, planing, etc., used in the manufacture and preparation of plates and angles for shipbuilding and armor plates are on a scale far different at the present date from what they were in 1869. Perhaps the most striking examples of powerful machinery for these purposes are the great Creuzot hammer, the falling mass of which has recently been increased to 100 tons, and the new planing machines at the Cyclops Works, which weigh upward of 140 tons each, for planing compound armor plates 19 in. thick and weighing 57 tons.

THE FUTURE OF IRON AND STEEL.

Some of the eminent men who have preceded me in this chair have made their inaugural address the occasion for a forecast of the improvements in practice and the developments in area of the great industry in which we are engaged. Several of these forecasts have been verified by the results; in other cases they have proved to be mistaken; nor need this excite surprise. I believe that few would have predicted, when the consideration of the subject was somewhat unfortunately deferred through want of time at our Paris meeting of 1878, that the basic process would so speedily prove itself to be of such paramount value as we now know it to possess. On the other hand, the extinction of the old puddling process has long been the favorite topic of one of our most practical ex-presidents, and I have shown you by figures that the process is not only not yet dead, but that the manufacture of wrought iron is actually flourishing side by side with that of its younger brother, steel. How much longer this may continue to be the case it would not be easy to foretell, but there can be little doubt that, just as for rails steel has superseded iron as being cheaper and vastly more durable, so it will be in regard to plates for constructive purposes, and especially for shipbuilding. It is now an ascertained fact that steel ships are as cheap, ton for ton of carrying capacity, as iron ones, and it is probable that as the demand for, and consequently the production of, steel plates increases, steel ships will become cheaper than those built of iron; but, what is more important, they have been proved to be safer, and no time can long elapse before this will tell on the premiums of insurance. Steel forgings also are superseding, and must to an increasing extent, supersede iron; while it is probable that the former will in their turn be replaced for many purposes by the beautiful solid steel castings which are now being produced by the Terre-Noire Company in France, the Steel Company of Scotland, and other manufacturers, by the Siemens-Martin process. On this subject I believe Mr. Parker can give us valuable information; and on a cognate branch, namely, the production of steel castings from the Bessemer converter, an interesting paper will be submitted to us by Mr. Allen at our present meeting.

I may here mention incidentally, that I have of late had occasion to make trials on a considerable scale of edge tools made from Bessemer steel, which show that, except perhaps in the case of the finest cutlery, there is no longer any occasion to resort to the crucible for the production of this quality of steel.

RAILWAY DEMAND FOR IRON AND STEEL.

But it is in the further development of the world's railways that we must mainly look in the future, as in the past, for the support of our trade. In India the railway between Calcutta and Bombay was only completed in 1870, and at the present time, with a population of 250,000,000, it has less than 10,000 miles of railway, while the United States, with only 50,000,000, possesses more than 100,000 miles. In other words, the United States have fifty times as many miles of railway in relation to the population as India. Even Russia in Europe has 14,000 miles, or, in relation to its population, nearly five times as great a mileage as our Indian Empire; and the existing Indian railways are so successful pecuniarily, and give such promise of contributing to the wealth of the Indian people—or perhaps it would be more just to say, of rescuing them from their present state of poverty and depression—that it should be the aim of those who are responsible for the well-being of our great dependency to give to its railways the utmost and most rapid development.

As to the United States themselves, I look upon their railways as a little more than the main arteries from which an indefinitely large circulating system will branch out. Besides these countries I need only allude to the Dominion of Canada, whose vast territory bids fair to rival that of the United States in agricultural importance, to our Australian colonies, to Brazil, and other countries in which railways are still comparatively in their infancy, to show that, quite apart from the renewal of existing lines, the world's manufacture of rails has an enormous future before it.

RELATIONS BETWEEN EMPLOYERS AND WORKMEN.

I look on the excellent feeling which happily prevails between the employers and the workmen in our great industry as another of the most important elements of its future prosperity. It confers honor on all concerned that by our Boards of Conciliation and Arbitration, ruinous strikes, and even momentary suspensions of labor, are avoided; and still more that masters like our esteemed Treasurer, Mr. David Dale, should deserve, and that large bodies of workmen should have the manliness and discernment to bestow on him, the confidence implied in choosing him so frequently as an arbitrator. I believe that similar friendly relations exist in some, at any rate, of the other great centers of the iron and steel industries, and that although our methods may not be adapted to the habits of all, there is no country in which some way does not exist, or may not be found, to avoid those contests which were so fatal to our prosperity in former days. Lastly I regard as one of the most hopeful signs of the future the increased estimate of the value of science entertained by our practical men. In this respect we may claim with pride that the Iron and Steel Institute has been the pioneer, at any rate, so far as this country is concerned. But the conviction that the elements of science should be placed within the reach of those who occupy a humbler position in the industrial hierarchy than we do who are assembled here is rapidly spreading among us. The iron manufacturers of Westphalia have been the first to found an institution in which the intelligent and ambitious ironworker can qualify himself by study for a higher position, and I hope when this Institute visits Middlesbrough in the autumn, some progress will have been made in that locality toward the establishment of a similar school. Other districts will doubtless follow, and the result will be, to quote the words of Sir W. Siemens on a late occasion, that "by the dissemination of science a higher spirit will take possession of our artisans; that they will work with the object of obtaining higher results, instead of only discussing questions of wages." It is on the mutual co-operation in this spirit of all the workers of every grade in our great craft that we may build the hope—nay, that we may even cherish the certain expectation—of placing it on even a higher eminence than that which it has already attained.

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