Read Ebook: The American Architect and Building News Vol. 27 Jan-Mar 1890 by Various
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ARCHITECTURE IN BROOKLYN.
The city of Brooklyn has at last waked up to realize her size and importance architecturally. Brooklyn, though growing very rapidly and having many buildings of importance, has really had very little good architecture, for the simple reason that the profession, not being in any way organized, could not, as a rule, receive the treatment due respectable architects. For this reason many young men who would not be capable of practising elsewhere, have flocked to this city, and by various methods, many of which are far from honorable, have succeeded in getting control of most of the work. However, we hope for better things.
The Brooklyn Institute some time ago decided to organize a Department of Architecture, and for this purpose a meeting of architects was called, which led to several more meetings and the attendance at these was exceedingly hopeful for the new department, some forty or fifty architects signifying their willingness to help along in the work; finally a public meeting was held in the Institute on Friday December 13, at which some six or seven hundred persons were present, and the Department was fully organized; the constitution carefully thought-out at the previous meetings was adopted, and the following list of officers chosen:
During the necessary intervals of balloting, etc., the President, Mr. George L. Morse, made a short address, setting forth the history of the previous meetings, and congratulating the local architects on the prospect of having a strong and well-organized society.
Mr. Louis De Coppet Berg, of the firm of J. C. Cady & Co., Architects, then addressed the meeting as follows:--
To remedy this evil, the Brooklyn Institute proposed to establish a Department of Architecture, and for this purpose called together a large number of local architects.
Now, we have decided that, if we have any Department at all, it shall be a live one; and this reminds me of a squib I read in the paper the other day, telling how, somewhere in Spain, they had unearthed an old painting, which was pronounced a genuine Murillo. It was said that the experts could not as yet determine whether the subject of the cracked and dingy old canvas was a Madonna or a Bull Fight, but that, nevertheless, they did not hesitate to declare that it was a great acquisition to art. Now, that is the trouble with most associations of architects; if the subject for discussion is only old, cracked and dingy enough, they are happy. Nothing delights them more than to spend all their time and energies in discussing Etruscan or other antique architectures, or the exact differentiations between the many styles of architecture. Now, while we value the history of an art, and shall give it all due attention, we propose to remember that the modern architect, besides being an artist, must be one of the most practical and executive of business men.
We admit that our ancestors in the profession designed beautiful castles, magnificent cathedrals and lovely ch?teaux, but we remember that these castles, these cathedrals, these ch?teaux were planned without any comfort; that they had no plumbing devices, no methods for cooking, no systems of heating or ventilation, and no way of getting light but the miserable taper; while to-day the architect, besides being a thorough artist, who knows how to design and to color, besides being thoroughly up in the history of his art, must know how to plan for comfort, to construct for strength and stability; must understand all the details of boilers, machinery, dynamos, electric-wiring, heating and ventilating systems, plumbing and sanitation, and lastly must be able to manage the complicated finances of large undertakings.
Now, to carry out these ideas in our work, we shall, in the first place, establish a museum and library, to which we shall welcome all gifts of books, pictures, models, casts, etc., whether illustrating the artistic, or the practical side of the profession. Then we shall have a course of monthly, public lectures by competent authorities, the subjects of which will probably be very largely chosen from the artistic side of the profession. We also propose to have stated meetings of the Department monthly, at which some carefully selected papers will be read by experts, the subjects of which will be given out as long in advance as possible, in order that all may be thoroughly prepared for a full and open discussion; and then, after these meetings, in order to promote sociability amongst the members, and to show how thoroughly practical we are, we propose to have something to eat. We also hope later to establish schools, not only for young men, but particularly for draughtsmen, where they can be taught, not only the art of drawing, but also the many practical branches connected with the profession.
The meeting was also addressed by the Rev. Dr. Chas. H. Hall, President of the Associate Members. He spoke at great length and kept his audience intensely interested by describing his own acquaintance with architecture, beginning with the original negro log-house down South, then the prim buildings of old Andover and Harvard, and finally how he saw the great former St. Ann's of Brooklyn, the likeness of which, he said, could be seen any day on the piers of New York when they were unloading dry-goods boxes; and how he finally went abroad and saw the beautiful architecture of Paris, which he could not praise enough. He was also unstinted in his praise of the modern beauty and architecture of Washington. He also spoke of his visits to London, and, while he admitted that Englishmen thought their architecture beautiful, he took exception, and claimed that the great St. Paul's, though beautiful to the English eye, was a cold barren building, blacked with smoke inside and out, a place where you could not be comfortable, nor hear the speaker at any distance. We regret that we are not able to give a verbatim account of his witty address.
At the end of Dr. Hall's address, the lecturer of the evening, Professor Russell Sturgis, architect, of New York, addressed the meeting as follows, his subject being "The Study of Architecture," with particular reference to the architecture of to-day.
ADDRESS OF MR. RUSSELL STURGIS.
With regard to architecture and all the arts of decoration, there is a strange difference between the practice of them, and such study as looks toward practice, on the one hand, and the history and theory of them, with such study as that involves, on the other. Quite completely are these two studies separated, each from the other. A man may be most active and successful as a practising designer, and successful in an artistic way, too, with no knowledge and little thought of the history of his own branch of art, and with little curiosity as to its philosophy or its poetry. And, on the other hand, a man may be a very earnest student, and a happy and delighted student of the history and criticism of art, and know nothing, and care as little, about the profession or practice of any art, or about studio ways and studio traditions. I do not know that in any branch of human study this distinction is so marked and so strong. This is to be regretted, for many reasons, but it can hardly be done away with so long as the community is generally careless of both the theoretical and the practical--so long as the students and the practitioners alike feel themselves nearly isolated units, floating in a sea of good-humored indifference. This state of things only time can alter. Only time can civilize our new community in intellectual and perspective matters; but there are some other conditions which are more immediately in our power to modify, perhaps--let us see:
But if said of England it would be pretty nearly true, if it were said that the whole amount of art of the decorative kind that existed in England between 1810 and 1850, for instance, would fill but a small museum, and that its quality would fill but slight requirements, it would require a bold Anglophil to contradict. There came a dull pall, like that of her own black fogs, over social London, and the stucco-fronted languors of Baker Street and Portland Place are no worse than were the dull monotony of the interiors behind them. Veneered and polished mahogany furniture, very much too large and too heavy for the rooms; black haircloth, like the grave clothes of Art, for the covering of everything that could be sat upon; cold, brownish-red curtains, of shiny but not lustrous material; silver candlesticks of monstrous design,--these, and such as these, were the decorative objects which our fathers or our grandfathers admired, or felt that they must admire for want of better, during the unhappy years that I have cited. The delicate carvings that the furniture of a generation just previous had received, were forgotten. People put up with Chippendale chairs in their dining-rooms because they had belonged to their fathers and nothing special was offered to take their place; but there is no record that they cared for them. The richer and more fantastic carvings of Grinling Gibbons had never obtained any general recognition nor availed to modify the woodwork of the domestic interiors of England. The brocades and flowered silks which the eighteenth century had revelled in, and if in England not strong enough artistically to produce them itself, had brought into England from other lands;--these were replaced by the dismal things I have alluded to, and no vestige of them seems to have remained in the parlors of that unhappy time.
Richness of costume had disappeared with the wars of the French Revolution. Embroidered silk coats had given place gradually to claret-colored and blue broadcloth, and this gave place to black, and all variety in costume had disappeared completely; and now, from 1810 to 1850, fantastically varied and interesting house-furnishing and decoration had followed, as I suppose it inevitably must follow; costume, being, one fears, a necessary part of anything like a prosperous artistic epoch.
Out of this gloomy depression the Anglo-Saxon world, in England and in this country, is trying to emerge. It began its efforts with the perfectly natural conviction that by studying the artistic history of the past, something could be done to benefit the arts of the present. The Gothic revival, which you have heard of so much, and which was followed with real ardor and with unquestioning zeal by crowds of devotees for years, beginning with, perhaps, 1840, was an attempt along the most obvious lines,--along what seemed to be the line of least resistance, to change the metaphor. To develop anew an old art, which had flourished so greatly in the past,--how easy! and how certain! How certain were the enthusiasts of that time, that by earnestly poring over and closely analyzing and heartily loving the buildings of the thirteenth and fourteenth centuries, such buildings, and others like them, could be built in the nineteenth! How happy was the conviction of all these men that it was not more difficult than that! The secret of what had been done was to be found in the phenomena themselves. There, in this parish church, in this cathedral, lay the secret of their charm. Let us analyze first, they said, and let us put together again the ingredients that our analysis shall have discovered, and we will re-create the thing that we are in search of.
Well, the experiment has failed. Archaeology is the most delightful of pursuits, but it is not particularly conducive of good art. The German professor, who knows the most about Phidian sculpture, is as far as his youngest pupil from being able to produce anything Phidian, but, of course, this is not a fair example. The German professor does not profess to be a sculptor. Let us say then, that that sculptor now alive who knows the most, theoretically and historically about Greek art, is as far as his most ignorant contemporary and rival from having Greek methods of work. This is a safe proposition. I do not know who he is, nor can any one tell me. It is not a question of men, but of principles. The study of the monuments of art is one thing, their analysis, their criticism, their comparison, is one of the most attractive, the most fascinating, the most stimulating, the most absorbing of studies, one that I shall never cease commending in the most earnest way to all those persons to whom scholarship is dear and to whom it is a question of recommending a study which is worthy of their most earnest and hearty devotion, but it is not the study of practical art, that is another and a very different thing.
The way to make good sculpture is to let the youth thumb and punch and dabble in wet clay, and see what he can make of it; and the way to make a painter is to give the boy now a burnt stick, and at another time a pin and a back of a looking-glass, and see what he can delineate with such materials as these and with all other materials with which a line can be drawn. To look at the world, and what it contains, and to try and render what is suggested to him,--that is the training for the artist, and it has more to do with our beloved study of archaeology than if they were not concerned with the same subject. This, I say, has been proven. Sad experience, the waste of forty years of work, disappointment and despair, have taught some of our artists what others did not need to learn,--that the way to succeed was not through study of the past. The artist has no primary need of archaeological knowledge; the archaeologist has no need of any fact that the artist can furnish him with.
This will be more readily admitted, perhaps, in the case of the arts of expression than in the case of arts of decoration and let us define these terms. If you will allow me, I will quote from an address delivered a year ago before the New York Architectural League. Any work of art whose object is to explain and express the thing represented, or to convey the artist's thought about the thing represented, is art of representation, or, if you please, art of expression, or if you please, expressional art. I offer these as nearly synonymous terms. But if, on the other hand, the work of art has for its object the adornment of a surface of any sort, as a weapon, a utensil, an article of costume, and if the natural objects represented or suggested are used only as suggestions to furnish pretty lines and pleasant tints, which lines and tints might have been after all represented apart from the object were man's mind more creative than it is,--that is art of decoration.
Now, architecture, you see, is primarily an industrial affair, a method of covering men in from the rain, and admitting light into their protected interiors, and of warming those interiors, and in a few rare cases of ventilating them, and in providing a variety of apartments, communications, and the like for the varied requirements of a complicated existence; and it need not put on any artistic character at all. But as architecture becomes a fine art, it is perforce one of the arts of decoration. It has nothing to do with the arts of expression. Mr. Ruskin and all his life work to the contrary, notwithstanding, the business of building is not to tell tales about the world and its contents, not to set forth the truths of botany or of zoology, or of humanity, or of theology. If zoological or botanical or human objects are introduced, or representations of them, it is not for the sake of information that can be given about these interesting things, nor for the sake of expressing the artist's mind about them, nor for the sake of saying anything whatever in regard to them. It is for the sake of making the building beautiful. When the Oxford Museum stood presenting to the street a flat-fronted wall, diversed with pointed arches, and carvers were set to work bands of rich sculpture around the windows; although Mr. Ruskin had a great deal to do with that edifice, and architects of his own choosing were in charge of it, and clever Irish workmen of his own approval were producing the interesting carvings of those archivolts and tympanums, in spite of all theories, the object aimed at and the object attained by that outlay of time and money and skill was the beautifying of the building, and this was achieved to an extent probably beyond what its planners proposed to themselves, for the effect of well-applied sculpture upon a building is beneficial to an extent that would never be believed by one who has not often watched the changes that can be wrought in this way. They who have said that the Gothic Cathedral is nothing but a work of associated sculpture are not far wrong, and to produce a lovely building, one would rather have the blankest malt-house or brewery in New York, and some good carvers set to work upon it, than to have the richest architectural achievement of our time, devoid as it is and must be of decorative sculpture. For to get decorative sculpture, you must have your sculptors; and they, you know, are wanting. Where are the men who will model capitals and panels in clay, with some sense of ornamental effect? We have the men who can make a copy in relief of an architect's drawings: but then the architect, even if he have the sense of ornamental effect, in the first place can never draw out, full size and with care, all the work required in a rich building, and, in second place, can never design sculptured form aright by mere drawings on the flat. The architects of New York and Brooklyn are employing today, I suppose, 3,000 draughtsmen, of which number two or three hundred at least are engaged most of the time in making large scale and full-size drawings of architectural detail, in which sculpture plays a large part. Well, we need as many modellers, who, either in architects' offices, or in stone-cutters' yards and terra-cotta works, shall be putting into tangible form the dreams and thoughts of the designer's brain. "As many," do I say? Once it is found that architectural sculpture can be got promptly and cheaply, and conveniently, it is not 200 modellers only that this big community around the big bridge will need; but architects will engage three or four or a dozen at a time, as they now engage draughtsmen when big jobs come in.
For so the relative success and power today of the arts of expression seem to assure us. When we come to look into the subject, we find that modern life, which finds its expression freely in prose and in verse, and to a slight extent in music, finds some expression also in those arts which deal with expression. It is perhaps not a great artistic epoch that we are living in, although, if some one were to rise by and by, and maintain that it was, I would not be sure that he was wrong. It is certainly a kind of novel and in many ways admirable art in the way of expression. Great thoughts have found expression almost worthy of them in painting, in sculpture, in etching, in wood-engravings, in color and in black-and-white; in the single costly work of art and in the easily multiplied and cheap productions of the press. It is true that in these the thoughts are not always worthy of the expression they receive. This is partly because we have nearly lost the desire of talking about our religious beliefs in line and color and modelled form, and that no other subject of equal universal interest has taken the place of the ancient, simple and popular theology.
And as for sculpture, that is to say expressional sculpture, it is even more true in this case that the poor works terribly outnumber the good ones, though this is less noticed and makes less impression on the public. Our English-speaking communities do not even think of sculpture as a thing to look to for any refined enjoyment. How far the labors of a dozen living men, all Frenchmen but two or three, may have sufficed during the past score of years to change the public mind in this matter, I am not ready to say; but, surely, it has not been the general thought that sculpture is anything more than an expensive and perfunctory way of doing one's duty to a great occasion or a great man. This, however, is temporary. The good sculpture exists and will be recognized. So much for expressional art.
But, as for the arts of decoration, once more, there is not so much to be said. As yet the way to subdue technicalities and enthrone design has not been discovered. The way to produce beautiful buildings is known to none. The way to produce good interior decoration, good furniture, good jewelry, beautiful stuffs, has only been seen by here and there one, and his lead no one will follow. The fact of his having done a fine thing, or of his doing fine things habitually, acts not as an attraction to others, but as a warning to them to keep off. Every artist strives to do, not as his neighbor has done, and better, but as his neighbor has not done. The potteries work no better, because of one pottery which turns out beautiful work. The wall-paper makers still copy, slavishly from Europe and Japan, fortunately if they do not spoil in copying, in spite of the occasional production of a wall-paper which an artist has succeeded in. The carpet-weavers caricature Oriental designs by taking out of them all movement and spirit, while their best customers buy the original rugs. If some rich man were to make a museum of modern decorative art, from which he would carefully exclude all that which was not in some way fresh and intelligent, and if not good, at least promising, a room like this one would hold all his trophies, even though he should use his millions to ransack Europe and America. It is nobody's fault, least of all is it the architect's fault. For see what you expect of an architect. He must know about digging deep holes; and about sheath-piling, that he may retain the loose soil and keep it from smothering the workmen at the bottom of his excavation; and he must know the best machines to use for drilling rock and the best method for removing it; he must know about all the stones in the country and the best way of making concrete; he must be familiar with the thousand new inventions, and discriminate carefully and rightly between this range and that, and between this form of trap and the other, between a dozen different steam-heaters and twenty systems of ventilation; he must be prepared to give his owners exactly what they want in the way of windows and chimney-corners, of cupboards, shelves in available corners, and recesses to put away step-ladders and brooms. But observe that if he fails in any one of these things, he will fail in that which his owner really cares about; still more, if he fails in the economical administration of the funds allowed for the building, will he fail in that which the owner most cares about. Less beauty, less success in producing a novel, an original, a thoughtful, a purposeful design will hurt him but little, but insufficient care as to the circulation of hot-water will ruin him.
Now, no man can do all that, and still produce delicate and thoughtful designs. No man can be busy laying out work, superintending work, explaining to contractors and reasoning with employers, and still be producing delicate and thoughtful designs. An extraordinary fellow here and there may surprise us by what he does under such circumstances, but it will be but little and feeble in comparison with what he might do. The community must see its way to paying some to eschew plumbing and stick to design, if they mean to have any design. This has been done, indeed, in the matter of monumental-glass, and to a certain extent in wall-decoration by means of painting; but it must be done in what is more vital yet--in architectural sculpture of all sorts and all grades; of vegetable, animal and human subjects; in low relief, in high relief and in the round; in detached work and associated groups--or no architecture for us. I say, then, that as things are constituted, the architects are not particularly to blame for not having achieved much in the way of decorative art, either on the exteriors of their great buildings or in the beauty of their interiors. Not much to blame; but yet they are so far to blame as that no one else is to do this work if they do not. The architects and the artists who are associated with them in the work of supplying us with what we call decorative arts of all sorts, form the only class of the community to whom the rest of the community can look to for advancement in this direction. It is probable, then, that what such an associate has to do is two-fold; or rather it has two things to do: One is to study the beautiful art of the past, and to study it patiently and lovingly, feeling confident of this that the interests of the pursuit grow more absorbing every day; and the other is to watch the arts of the present, and to keep an open and perspective mind with regard to them, feeling sure of this that they will grow more complex and interesting every day, and that now and again some chance of something good will appear, here and there, giving us great opportunities to help, if we are clever enough to perceive them.
The study of the arts of the past is more entrancing every day because we are so much better informed, because we are daily better informed about them. Archaeology, having gone through a long apprenticeship, is doing wonders today; and, although ancient buildings are suffering from the accursed restorer, they are also more thoroughly known, more rightly judged, more sympathetically analyzed than ever before; while monuments other than buildings, those, that is, that are not open to the attacks of the restorer, are preserved in practical safety, and they also are minutely and honestly studied in a way of which our ancestors knew nothing. There is, therefore, more pleasure to be got out of the study of ancient art today than ever before, and that condition of things is a permanent one. Our children will have even better opportunities than we.
And, as for the arts of the present, the arts that are being produced around us, they are to be looked at as calmly and temperately; with, on the other hand, as little as possible of that provincial which makes cathedrals out of carpenters' Gothic churches, and, on the other hand, without carping, but with good-natured patience, with a feeling that if things are not very good, they can hardly be expected to be better; that we, in this country at least, are only half-civilized in the ways of cultivation, and we do uncommonly well for such babes as we are in literature and art. With patience then, and with impatience about nothing but this, that we deny ourselves the study of the great works of art of Europe and Asia by thirty per cent and forty per cent and sixty per cent duty, and deny to the author all proper remuneration for his work by the lack of common honesty. No other nation of European blood does these things. It is not a matter of politics. No protectionists so ardent in the Bismarck ranks as to propose to levy a tax on literature and science. No selfish grabber so small, even among peoples whom we consider less honest than we, who approves of stealing an author's books under color of the law. While we send to Washington Congressmen who keep such laws on the statute-books, our community is not "barbarous" so much as savage; for such acts are the acts of savages; that is, of men who have no reasonable motive for their acts, but act impulsively, like grown-up children.
And now, after this evening, let us return from theory and general principles, to practice and details, and see whether we can find out how it is that Indians combine color, how Japanese use natural form decoratively, how Chinamen make porcelain lovely and noble; how Greeks of old time have sculptured and Frenchmen have created Gothic architecture, and Italians have raised painting to the highest heaven of achievement. There is happiness, if study can give it. And for those to whom scholarship is less attractive than action and production, there is sculpture in small and large, in stone, marble, terra-cotta, wax, clay, plaster, bronze, iron, lead, gold and silver; there is inlay of all material and styles, from square tiles to minute glass tesserae; there is painting with all known vehicles and of all sorts; the whole to be devoted to the beautifying of buildings in which we have to live and work and rest. There is a plenty to do for those who know how to begin.
THE STRUCTURE OF SANDSTONE.
AS AFFECTING ARCHITECTURAL AND ENGINEERING WORKS.
The native stones we Liverpool architects have at command are all sandstones belonging to the geological division called the Trias, or, in older phraseology, the "New Red Sandstone," which lies above the coal-measures. The term "New Red" was given to distinguish these rocks from the "Old Red," which lies below the Mountain Limestone, the lowest division of the carboniferous rocks. It is, perhaps, needless to remark that the "New Red" is not always red; sometimes it is yellow, at others, like some of the Storeton stone, white. These red rocks occupy a large part of Lancashire and Cheshire, and especially in the latter county give the characteristic scenery which distinguishes it. The escarpment of the Peckforton Hills of which Beeston Castle Hill is an outlier, and that at Malpas, farther south, gives rise to some very beautiful scenery; and again at Grinshill and Hawkstone, in Shropshire, we have a repetition of much the same kind of landscape. It will be necessary for my purpose to say briefly that these red rocks have been divided into the "Bunter" and "Keuper"; the lower division, the Bunter, occupying most of the ground about Liverpool; the upper, the Keuper, being more developed on the Cheshire side. All these sandstones are not fit for building purposes, and those that are so used differ considerably in their durability. It is my object in this short Paper to show upon what the perfection or imperfection of the various stones for building purposes depends--a matter of great moment to an architect or engineer who is desirous that his work should last.
Sandstones, or, in masons' language, "free-stones," from the freedom with which most of them are worked when freshly taken from the quarry, are plastic or sedimentary rocks. That is, they are composed of separate particles which have once existed as sand, like that we see on our own shores, or in the sand dunes of Hoylake or Crosby. Sandstones are usually more or less laminated, and are stronger to transverse stress at right angles to their natural bedding than in any other direction, a fact recognized in every architect's specification, which states "all stones must be laid on their natural bed," a direction that unfortunately sometimes begins and ends in the specification. The cause of the superior strength is not, however, generally understood.
I have devoted some considerable time to an investigation of the internal structure of sandstones, which I have communicated from time to time to various scientific societies and publications, and will now briefly explain it in a manner I judge will be most likely to interest architects and engineers. The particles or grains of which the rock is built up are of various forms and sizes, from a thoroughly rounded grain, almost like small shot, to a broken and jagged structure, and to others possessing crystalline faces. These grains, most of them possessing a longer axis, have been rolled backwards and forwards by the tides or by river-currents. The larger grains naturally lie on their sides when freshly deposited, with their axes in the plane of bedding; the smaller and more rounded particles naturally tend to occupy the interstices between the others, and in this way rude divisional planes or laminations are formed. Each layer forms a sort of course like coursed-rubble in a wall, and by the necessities of deposition a certain rude geometric arrangement results, by which the particles of the future rock overlap each other, and thereby gain what is known to architects as bond.
But, so far, this is only like "dry walling," the mass wants cementing together to make it solid. The cementing process happens in this way in our rocks, which are almost purely silicious: Water containing a minute quantity of carbonic acid in solution, which most rain-water does, especially when it comes into contact with decaying vegetation, has the power of dissolving silica to a slight extent. This is proved in various ways, and is shown in the fact that all river water contains more or less silica in solution.
The circulation of water through the sand deposit of which our rocks are made dissolves part of the grains, and the silica taken up is redeposited on others. I cannot explain the chemical reaction that produces this deposition, but that it takes place in the rock during some period of its history is certain. I exhibit a quartzite pebble taken from the Triassic sandstone at Stanlow Point, which, as can be easily seen, was at one time worn perfectly smooth by attrition and long-continued wear, for the quartzite is very hard. Upon this worn surface you will see spangles and facets which reflect the light, and on closer inspection it will be evident that they are crystals of quartz that have been deposited upon the surface of the worn pebble after it became finally enclosed in the rock.
A microscopic examination of the granules of the rock itself will show that many of them have had crystalline quartz deposited upon their surfaces, and in some cases rounded grains have in this way become almost perfect crystals.
An examination of the best sandstones for building purposes shows that they possess more of these crystalline particles than the inferior ones, and a good silicious sandstone shows its good quality by a fresh fracture sparkling in the sun. In addition to these crystalline deposits of silica I believe it exists also as a cement which binds the particles together when in contact.
It certainly is, however, with this secondary silica that the original sand has become a building stone, and the particles have become interlaced and bound together. Thus, in building parlance, the grains are the rubble of the wall, the currents the quarrymen, masons and laborers, and the silicious infiltration the mortar.
And now, when I am on the subject, I may point out that this hard and compact quartzite pebble was also once loose sand. The only difference between the sandstone in which it was imbedded and itself is that in the latter case the process of silicious deposit has gone further, so that all the interstices between the grains have been absolutely filled up with the cement.
It is a remarkable fact that most of the pebbles included in the red rocks are quartzites, or indurated silicious sandstones; and, as showing that their solidity and hardness are due only to a further continuance of the deposit of silica in the interstices, it has been proved that the purple quartzites are purple only by reason of the original coloration of the grains which have been enclosed between the original grains and the secondary silica. Yellow sandstone is colored also by iron, and I have frequently seen the red sandstone shading of to the yellow without any division whatever. The various shades and tints of sandstone are necessarily due to the coloration of the individual grains.
Most of you will, no doubt, have observed the sort of marbling or grain upon the stone of our old buildings, such as the Town-Hall, which I believe was obtained from quarries occupying the site of the St. James's Cemetery. This is due to what is called current bedding; that is to say, the grains have been arranged along oblique lines and curves instead of in parallel laminae. This stone, which is geologically equivalent to the Storeton Stone, and of the same nature, has stood very well. Some of the Storeton Stone, if free from clay galls, although very soft when quarried, becomes hardened by exposure, and will stand the weather much better than a harder and more pretentious material.
The stone of Compton House is in a very good condition, although the mason told me such was the hurry in rebuilding that they could not stop to select the stone, and also that it is placed in all sorts of positions with respect to its quarry bed. Perhaps the circumstances that the stone is not in parallel laminae may have something to do with its durability, notwithstanding this latter fact.
It would take a long Paper, and several evenings, to exhaust the subject even of our local stones. I may mention, however, that the quarries of Grinshill, between Shrewsbury and Hawkstone, yield a beautiful white sandstone, of a finer grain than Storeton, but of a similar quality.
Before leaving the subject of local sandstones it will be necessary to refer to one quality they have which is of excellent utility as regards the storage of water, but which is decidedly a disadvantage in building stone--that is, their porosity. I have proved by actual experiment that a cubic foot of Runcorn Stone will take up three quarts of water by capillarity, and that it is possible to make a syphon of solid sandstone which will empty a vessel of water into another vessel by capillarity alone. This shows the absolute necessity of damp-proof courses, not only in the main walls of buildings of stone, but even in fence walls, for the continual sucking up of moisture from the earth, and its evaporation at the surface of the stone, make it rapidly decay. I think I could show you this fact in almost any stone building in Liverpool or elsewhere where the stone is in direct connection with the earth. It also shows the necessity of taking care that no stones go through the wall to the interior surface, and of precautions for backing up stone walls with less porous materials, or the introduction of a cavity. If you could suppose such a sandstone wall 40 feet long, 20 feet high, and 1 foot 6 inches thick fully saturated, it would hold almost a ton of water! Of course, it never would be fully saturated, because of the evaporation from the surfaces, but with a southwest aspect, and very wet weather, it might become half saturated. But what does evaporation mean? It means the loss of so much heat and the burning of so much coal to supply its place. From this it will be seen that a pure sandstone wall is a thing to be avoided.
The subject is so wide a one that I have felt compelled to restrict my remarks to local sandstones, but the general principles of structure apply to all sandstones alike.
It is difficult by written description to tell you how to select a good stone, but one essential is that there shall be a good deposition of secondary quartz, as shown by the crystalline sparkling on the freshly fractured surface.
It must also be free from very decided laminations, for these constitute planes of weakness and are often indications of the deposition of varying materials, or the same material in various grades of fineness. It must also not be full of argillaceous and iron-oxide infillings. It should possess a homogeneous texture. The best way to study building stones is to study them in old buildings, for nature has then dissected their weaknesses.
FOOTNOTES:
This experiment was made before the audience.--T. M. R.
THE BARYE EXHIBITION.
Entering the handsome galleries of the American Art Association, one finds the lower floor given up to the Barye bronzes, while the upper rooms are devoted to the "Angelus" and the paintings by Millet and other contemporaries of the great French sculptor. Passing on the left of the entrance the superb, large bronze of "Theseus battling with the Centaur," one is fronted by the great cast of the "Lion and Serpent," which from the centre of the gallery dominates the surrounding exhibits. Both of these are the property of the Metropolitan Museum of Art, the cast having lately been presented to that institution by the French government. Upon the right hangs Bonnat's vigorous portrait of Barye, on the left wall one sees the water-color of the "Tiger Hunt," and all around are cases, groups and isolated pieces of the bronzes.
Here are over 450 works in wax, plaster and bronze, of which Mr. W. T. Walters contributes one-fourth, while the Corcoran Gallery sends its entire collection, numbering nearly a hundred, Mr. Cyrus J. Lawrence loans sixty-two pieces, Mr. James F. Sutton fifty-two and Mr. Samuel P. Avery thirty. Other contributors, who have followed their generous example, are Messrs. R. Austin Robertson, Theodore K. Gibbs, Robert and Richard M. Hoe, James S. Inglis, Richard M. Hunt and Albert Spencer. Of many of the subjects there are several copies, and amateurs can study proofs and patinas to their heart's content. From Mr. Walters's famed collection are the four unique groups modelled for the table of the Duke of Orleans, chief of which is the "Tiger Hunt," where two of the huge cats attack an elephant from whose back three Indians defend themselves with courage. The giant pachyderm writhes his serpent-like trunk in air and plunges forward open-mouthed, trumpeting with pain from the keen claws of the tigers hanging on his flanks. The Hunts of the Bull, the Bear and the Elk are worthy companions of this magnificent bronze, offering wonderfully fine examples of condensed composition in the entwined bodies of men and beasts, and filling the eye with the grand sweeps of their circling forms. The same liberal patron of art also lends his unique piece of a walking lion, in silver, made in 1865 for a racing prize, and a plaster-proof of the little medallion of "Milo of Crotona attacked by a Lion," executed by Barye in 1819 for the Prix de Rome competition at the ?cole des Beaux-Arts. This little gem, worthy of the antique, did not secure the prize, however, which went to a now-forgotten sculptor named Vatinelle. It had often been so before, it has often been so since down to our day and doubtless it will be so for who knows how many years to come.
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