Aldine Editions is the name given to the works which proceeded from the press of Aldus Manutius and his family at Venice (1490-1597). Recommended by their value, as well as by a splendid exterior, they have gained the respect of scholars and the attention of book-collectors. Many of them are the first printed editions of Greek and Latin classics. Others are texts of the modern Italian authors. These editions are of importance in the history of printing. Aldus had nine kinds of Greek type, and no one before him printed so much and so beautifully in this language. Of the Latin character he procured fourteen kinds of type. Research Aldine Editions
Algebra is a kind of generalized arithmetic, in which numbers or quantities and operations, often also the results of operations, are represented by symbols. Algebra is an invaluable instrument in intricate calculations of all kinds, and enables operations to be performed and results obtained that by arithmetic would be impossible, and its scope is still being extended.
The beginnings of algebraic method are to be found in Diophantus, a Greek of the fourth century of our era, but it was the Arabians that introduced algebra to Europe and from them it received its name. The first Arabian treatise on algebra was published in the reign of the great Kaliph Al Mamun (813-833) by Mohammed Ben Musa. In 1202 Leonardo Fibonacci of Pisa, who had travelled and studied in the East, published a work treating of algebra as then understood in the Arabian school. From this time to the discovery of printing considerable attention was given to algebra, and the work of Ben Musa and another Arabian treatise, called the Rule of Algebra, were translated into Italian.
The first printed work treating on algebra (also on arithmetic, etc) appeared at Venice in 1494, the author being a monk called Luca Pacioli da Bergo. Rapid progress now began to be made, and among the names of those to whom advances are to be attributed are Tarfcaglia and Cardan. About the middle of the sixteenth century the German Stifel introduced the plus, minus and square root symbols, and Recorde the equals sign. Recorde wrote the first English work on algebra. Francois Vieta, a French mathematician (1540-1603), first adopted the method which has led to so great an extension of modern algebra, by being the first who used general symbols for known quantities as well as for unknown. It was he also who first made the application of algebra to geometry.
Albert Girard extended the theory of equations by the supposition of imaginary quantities. The Englishman Harriot, early in the seventeenth century, discovered negative roots, and established the equality between the number of roots and the units in the degree of the equation. He also invented the less than and greater than signs, and Oughthred that of the x multiplication symbol. Descartes, though not the first to apply algebra to geometry, has, by the extent and importance of his applications, commonly acquired the credit of being so. The same discoveries have also been attributed to him as to Harriot, and their respective claims have caused much controversy. He obtained by means of algebra the definition and description of curves. Since his time algebra has been applied so widely in geometry and higher mathematics that we need only mention the names of Fermat, Wallis, Newton, Leibnitz, De Moivre, MacLaurin, Taylor, Euler, D'Alembert, Lagrange, Laplace, Fourier, Poisson, Gauss, Horner, De Morgan, Sylvester, Cayley. Boole, Jevons, and others have applied the algebraic method not only to formal logic but to political economy. Research Algebra More information about Algebra
Byzantine art is the symbolic system which was developed by the early Greek or Byzantine artists out of the Christian symbolism. Byzantine Art arose in South-eastern Europe after Constantine the Great had made Byzantium the capital of the Roman Empire in 330 AD and ornamented that city, which was called after him, with all the treasures of Grecian art.
One of the chief influences in Byzantine art was Christianity, and to a certain extent Byzantine art may be recognized as the endeavour to give expression to the new elements which Christianity had brought into the life of men. The tendency towards Oriental luxuriance and splendour of ornament now quite supplanted the simplicity of ancient taste. Richness of material and decoration was the aim of the artist rather than purity of conception. Yet the classical ideals of art, and in particular the traditions of technical processes and methods carried to Byzantium by the artists of the Western Empire, held their ground long enough, and produced work pure and powerful enough, to kindle the new artistic life which began in Italy with Cimabue and Giotto.
With regard to sculpture the statues no longer displayed the freedom and dignity of ancient art. The true proportion of parts, the correctness of the outlines, and in general
the severe beauty of the naked figure, or of simple drapery in Greek art, were neglected for extravagant costume and ornamentation and petty details. Yet in the best period of Byzantine art, from the 6th to the 11th century, there is considerable spiritual dignity in the general conception of the figures. But sculpture was of second-rate importance at Byzantium, the taste of those times inclining more to mosaic work with the costliness and brilliant colours of its stones.
The first germ of a Christian style of art was developed in the Byzantine pictures. The artists, who appear to have seldom employed the living model, and had nothing real and material before them, but were obliged to find, in their own imaginations, conceptions of the external appearance of sacred persons, such as the mother of Christ or the apostles, could give but feeble renderings of their ideas. As they cared but little for a faithful imitation of nature, but were
satisfied with repeating what was once acknowledged as successful, it is not strange that certain forms, approved by the taste of the time, should be made, by convention, and without regard to truth and beauty, general models of the human figure, and be transmitted as such to succeeding times. In this way the artists in the later periods did not even aim at accuracy of representation, but were contented with stiff general outlines, lavishing their labour on ornamental parts.
Byzantine architecture may be said to have assumed its distinctive features in the church of St Sophia built by Justinian in the 6th century, and still existing as the chief mosque in Constantinople. It is more especially the style associated with the Greek Church as distinguished from the Roman.
The leading forms of the Byzantine style are the round arch, the circle, and in particular the dome. The last is the most conspicuous and characteristic object in Byzantine buildings, and the free and full employment of it was arrived at when by the use of pendentives the architects were enabled to place it on a square apartment instead of a circular or polygonal. In this style of building incrustation, the incrustation of brick with more precious materials, was largely in use. It depended much on colour and surface ornament for its effect, and with this intent mosaics wrought on grounds of gold or of positive colour are profusely introduced, while coloured marbles. and stones of various kinds are greatly made use of. The capitals are of peculiar and original design, the most characteristic being square and tapering downwards, and they are very varied in their decorations.
Byzantine architecture may be divided into an older and a newer (or Neo-Byzantine) style. The most distinctive feature of the latter ia that the dome is raised on a perpendicular circular or polygonal piece of masonry (technically the drum) containing windows for lighting the interior, while in the older style the light was admitted by openings in the dome itself. The Cathedral of Athens is an example of the Neo-Byzantine style.
Conservatory is a name given on the European continent to a systematic school of musical instruction. In Britain the term is usually applied to foreign schools of music. Conservatories were originally benevolent establishments attached to hospitals, or other charitable or religious institutions. In Naples there were formerly three conservatories for boys; in Venice four for girls; the Neapolitan group being reduced in 1818 to a single establishment under the name Royal College of Music. In Milan a conservatory was established in 1808. In France the musical school established in connection with the Opera received its final organization in 1795 under the name of Conservatoire de Musique. Among its teachers have been Mehul, Cherubini, Gretry, Boieldieu, etc. The Conservatorium, founded at Leipzig in 1842 under the auspices of Mendelssohn has been one of the most highly renowned. Research Conservatory
A constitution is the fundamental law of a state, whether it be a written instrument of a certain date, as that of the United States of America, or an aggregate of laws and usages which have been formed in the course of ages, like the English constitution. The ideal constitution is that established by a free sovereign people for their own regulation, though the expediency of other forms at various stages of national development cannot but be recognized. The chief of these are: 1. Constitutions granted by the plenary power of absolute monarchs, or constitutions octroyees; such as Louis XVIII's Charte. 2. Those formed by contract between a ruler and his people, the contract being mutually binding - a class under which, in a great degree, the British constitution must be placed. 3. Those formed by a compact between different sovereign powers, such as the constitutions of the German Empire, of the United Provinces of Holland, and of the Swiss Confederation.
In regard to political principles, constitutions are; 1. Democratic, when the fundamental law guarantees to every citizen equal rights, protection, and participation, direct or indirect, in the government, such as the constitutions of the United States and of some cantons of Switzerland. 2. Aristocratic, when the constitution recognizes privileged classes, as the nobility and clergy, and intrusts the government entirely to them, or allows them a very disproportionate share in it. Such a constitution was that of Venice, and such at one time those of some Swiss cantons, for instance, Bern. 3. Of a mixed character. To this, latter division belong some monarchical constitutions, which recognize the existence of a king whose power is modified by other branches of government of a more or less popular cast. The British constitution belongs to this division. Research Constitution
Engraving is the art of representing objects and depicting characters on metal, wood, precious stones, etc, by means of incisions made with instruments variously adapted to the substances operated upon and the description of work intended.
Impressions from metal plates are named engravings, prints, or plates those printed from wood being called indifferently wood engravings and wood-cuts. While, however, these impressions are not altogether dissimilar in appearance, the processes are distinct. In plates the lines intended to print are incised, and in order to take an impression the plate is daubed over with a thick ink which fills all the lines. The surface is then wiped perfectly clean, leaving only the incised lines filled with ink. A piece of damp paper is now laid on the face of the plate, and both are passed through the press, which causes the ink to pass from the plate to the paper. This operation needs to be repeated for every impression, for the wood block, on the contrary, the spaces between the lines of the drawing are cut out, leaving the lines standing up like type, the printing being from the inked surface of the raised lines, and effected much more rapidly than plate printing.
Engraving on wood, intended for printing or taking impressing from, long preceded engraving on metals. The art is of eastern origin, and at least as early as the 10th century engraving and printing from wood blocks was common in China. We first hear of wood engraving being cultivated in Europe by the Italians and Germans in the 13th century. For a hundred and fifty years, however, there is small indication of the practice of the art, which was at first confined to the production of block-books, playing cards, and religious prints. In the 15th century the art of printing from engraved plates was discovered in Florence by Maso Finiguerra.
Engraving had long been used as a means of decorating armour, metal vessels, etc, the engravers generally securing duplicates of their works before laying in the niello (a species of metallic enamel) by filling the lines with dark colour, and taking casts of them in sulphur. The discovery of the practicability of taking impressions upon paper led to engraving upon copper plates for the purpose of printing from.
The date of the earliest known niello proof upon paper is 1452. The work of the Florentine engravers, however, was almost at once surpassed in Venice and elsewhere in North Italy by Andrea Mantegna, Girolamo Mocetto, Giovanni Batista del Porto, and others. In Marc Antonio Raimondi, who wrought under the guidance of Raphael, and reproduced many of his works, the art reached its highest point of the earlier period, and Rome became the centre of a new school, which included Marco da Ravenna, Giulio Bonasone, and Agostino de Musis.
In the meantime, in Germany the progress of the art had been not less rapid. Of the oldest school the most important engraver is Martin Schongauer. He was, however, surpassed a generation later by Albert Durer who excelled both in copper and wood engraving, especially in the latter. Among his most famous contemporaries and successors were Burgkmair and Lucas Cranach. The Dutch and Flemish schools, of which Durer's contemporary Lucas van Leyden was the head, did much to enlarge the scope of the art, either by paying increased attention to the rendering of light and shade, and the expression of local colour, as in the case of Cornelius Cort and Bloemart; or by developing freedom and expression of line, as in the case of Goltzius and his pupils.
Rubens influenced engraving through the two Bolswerts, Vorstermann, Pontius, and de Jode, who engraved many of his works on a large size. Towards the end of the 17th century etching, which had before been rarely used, became more common, and was practised with great success by Rembrandt and other painters of that period. In France Noel Garnier founded a school of engraving about the middle of the 16th century; but it produced no work of any high distinction until the reign of Louis XIV, when Nanteuil's pupil Gerard Edelinck and Gerard Audran flourished. The former was skilled in using his graver to produce colour effects, the latter is famed for his engravings from Nicolas Poussin and Le Brun. But these were all surpassed about the middle of the 18th century by Wille, a German resident in Paris.
Before the middle of the 17th century England produced little noteworthy work, availing herself principally of the work of foreign engravers, of whom many took up temporary and even permanent residence. The first English engraver of marked importance was William Hogarth, whose works are distinguished for character and expression. Vivares, a Frenchman by birth, laid the foundation of the English school of landscape-engraving, which was still further developed by William Woollet, who was also an excellent engraver of the human figure.
In historical engraving a not less remarkable advance was made by Sir Robert Strange, and Richard Earlom produced some admirable works in mezzotint. In succession to these came William Sharp, James Bazire, Bartolozzi, James Heath, Bromley, Raimbach, and others.
The substitution of steel for copper plates around 1820 to 1830 gave the power of producing a much larger number of fine impressions, and opened new possibilities for highly-finished work.
During the closing years of the 18th century line engraving attained a depth of colour and fulness of tone in which earlier works generally are deficient, and during the following century it reached a perfectness of finish which it had not previously attained. A picture, whether figure or Landscuape, may be translated by line engraving with all its depth of colour, delicacy of tone, and effect of light and shade; the various textures, whether of naked flesh, silk, satin, woollen, or velvet, all successfully rendered by ingenious modes of laying the lines and combinations of lines of varying strength, width, and depth. Among engraverswho have produced historical works of large size and in the line manner the names of Raphael Mrghen, Longhi, Anderloni, Garavaglia, and Toschi, in Italy; of Forster, Henriquel-Dupont, Bridoux, and Blanchard, in France; of John Burnet, J H Robinson, Doo, J H Watt, and Lumb Stocks, in England, stand pre-eminent.
Among historical and portrait engravers in the stipple or dotted manner the names of H T Ryall, Henry Robinson, William Holl and Francis Holl, may well be mentioned.
In the period 1820 to 1860 landscape engraving attained a perfection in Great Britain which it had not attained in any other country, or at any other time. Among landscape engravers the names of George Gooke, William Miller, E Goodall, J Cousen, K Brandard, and William Forrest hold the foremost places. In mezzotinto engraving Samuel Cousins is unrivalled.
In the period 1830 to 1845 various publications called Annuals, composed of light literature in prose and verse, and illustrated by highly-finished engravings in steel, were very popular. The engravings were necessarily of small size, and are generally of great excellence. A number of them both figure and landscape are executed with such finish and completeness as to be esteemed perfect works. The unrivalled illustrations of Rogers' Poems and Rogers' Italy after Turner and Stothard belong to this period. Many of the originals of the engravings in the Annuals were finished pictures of large size.
A great part of the difficulty in engraving on a small scale from a large picture, consists in determining what details can be left out, and still preserve the full effect and character of the original. The most noted engravers for work of small size are Charles Heath, Charles Bolls, W Finden, E Finden, E. Portbury, J Goodyear, F Engleheart, Henry Le Keux, E Goodall, and W Miller.
After 1870 many plates were produced by a combination of etching and dry point, a comparatively cheap and rapid process. Such works were fashionable and very popular with collectors. But while some of them have been excellent of their kind, the process is of limited resource, and the best works in this manner will not stand comparison with the masterpieces of line engraving. Through lack of encouragement, change of fashion, and the adoption of other methods of reproduction such as photography, line engraving rapidly becoming a lost art in Great Britain. The men who made line engraving famous died, and there was no sufficient inducement for younger men to pursue that art. In France and in Germany some able line engravers were still in practice at the start of the 20th century.
Line Engraving, as implied by the term, is executed entirely in lines. The tools are few and simple. They consist of the graver or burin, the point, the scraper, and the burnisher; an oil-stone or hone, dividers, a parallel square, a magnifying lens; a bridge on which to rest the hand; a blind or shade of tissue paper, to make the light fall equally on the plate, callipers for levelling important erasures, a small steelanvil, a small pointed hammer, and punches. In etching, the following articles are required: a resinous mixture called etching-ground, capable, when spread very thinly over the plate, of resisting the action of the acids used; a dauber for laying the ground equally; a hand-vice; some hair-pencils of different sizes, and bordering wax, made of burgundy-pitch, bees'-wax, and a little oil.
In engraving, the plate, which is highly polished and must be free from all scratches, is first prepared by spreading over it a thin layer of ground. The surface is then smoked, and the outline of the picture transferred to it by pressure from the paper on which it has been drawn in fine outlines by a black-lead pencil. The picture is then drawn on the ground with the etching-needle, which removes the ground in every form produced by it, and leaves the bright metal exposed. A bank of wax is then put round the plate and diluted acid poured on it, which eats out the metal from the lines from which the ground has been removed, but leaves the rest of the plate untouched. The plate is then gone over with the graver, the etched lines clearly defuned, broken lines connected, new lines added, etc. Sometimes the plate is rebitten more than once, those parts which are sufficiently bitten in the first treatment being stopped with varnish, and only the selected parts exposed to after-biting. Finally the burnisher is brought into play alternately with the graver and point to give perfectness and finish.
Such is the process for landscape engraving. In historical and portrait engraving of the highest class, the lines are first drawn on the metal with a fine point and then cut in by the graver, first making a fine line and afterwards entering and re-entering till the desired width and depth of lines is attained. Much of the excellence of such engravings depends on the mode in which the lines are laid, their relative thickness, and the manner in which they cross each other. In historical engraving etching is but little used, and then only for accessories and the less important parts.
In Soft-ground Etching the ground, made by mixing lard with common etching-ground, is laid on the plate and smoked as before, but its extreme softness renders it very liable to injury. The outline of the subject is drawn on a piece of rough paper larger than the plate. The paper is then damped, and laid gently over the ground face upwards, and the margins folded over and pasted down on the back of the plate. When the paper is dry and tightly stretched the bridge is laid across, and with a hardish pencil and firm pressure the drawing is completed in the usual manner. The pressure makes the ground adhere to the back of the paper at all parts touched by the pencil, and on. the paper being lifted carefully off, these parts of the ground are lifted with it, and the corresponding parts of the plate thus left bare are exposed to the subsequent action of the acid. The granulated surface of the paper, causing similar granulations in the touches on the ground, gives the character of a chalk-drawing. The biting-in is effected in the same manner as already described, and the subject is finished by re-biting and dotting with the graver.
Stipple, or Chalk Engraving, in its pure state, is exclusively composed of dots, varying in size and form as the nature of the subject demands, but few stipple plates are now produced without a large admixture of line in all parts, flesh excepted. A great advance, however, was made in stipple engraving by the introduction of large and varied forms of dotting in the draperies, the results almost rivalling line engraving in richness and power.
The Mixed Style is based on mezzotinto, which, still forming the great mass of shading, is in this method combined with etching in the darker, and stipple in the more delicate parts. By this combination a plate will produce a larger number of good impressions than were it done entirely in mezzotinto.
The wood best adapted for engraving is box. It is cut across the grain in thicknesses equal to the height of type, these slices being subjected to a lengthened process of seasoning, and then smoothed for use. Every wood engraving is the representative of a finished drawing previously made on the block; the unshaded parts being cut away, and the lines giving form, shading, texture, etc, left standing in relief by excavations of varied size and character, made between them by gravers of different forms. Drawings on wood are made either with black-lead pencil alone or with pencil and indian ink, the latter being employed for the broader and darker masses. It is now much the practice to photograph drawings made in black and white upon the wood instead of making the drawing on the wood block. When the drawing is put on the wood by washes or by photography instead of being entirely done by pencil lines, the engraver has to devise the width and style of lines to be employed instead of cutting in facsimile, as is the case when the drawing is made entirely in lines. The tools required for wood engraving are similar but more numerous than those of the engraver on copper or steel. Research Engraving
Fustic is the wood of the tree Maclura tinctoria, a tree of the mulberry order growing in the West Indies. It is a large and handsome tree, and the timber, though, like most other dye-woods, brittle, or at least easily splintered, is hard and strong. It is extensively used as an ingredient in the dyeing of yellow, and is largely imported for that purpose.
Young Fustic is the wood of the Rhus cottinus or Venice sumach, a South European shrub with smooth leaves and a remarkable feathery inflorescence. It yields a fine orange colour, which, however, is not durable without a mordant. Research Fustic
Marquetry is the art of veneering or inlaying with wood. The art was known in Egypt and the East two thousand years ago and was introduced from Persia into Venice during the 14th century, whence it spread to Florence, France, Germany and Holland. As intarsia it is conspicuous in church woodwork of the 15th century. Research Marquetry
A nation is a body of people, organised into a single state. One of the most characteristic of the ideas of the Age of the Renaissance was that of the Nation and its sovereign independence - an idea still very active in our own days. The Middle Ages had been dominated by the Catholic ideal of world unity. The great institutions of those ages were international - for example, the Feudal System, and above all the Church and the Papacy. Latin, too, was an international language; and though the various peoples had their own languages, the continual use of Latin in both Church and State affairs helped educated men to regard themselves as members of one society, the society of Christendom. Above all, these peoples - English, French, Spanish, Italian, German - were all members of one Church. All belonged in some measure to the Christendom of which the heads were the Pope and the Emperor. Then, gradually, from the early days of the Renaissance, the newer idea of the 'Nation' took root, and this in time changed the unity of 'Christendom' into the disunion of 'Europe'.
Modern Europe is dominated by national feeling and is divided into independent national states; and these have no longer even the common bond of one Church. Europe has lost as well as gained by the disappearance of medieval Christendom. She has gained, because the old feudal divisions in most countries meant internal disunion, civil warfare, and baronial tyranny. But Europe has also lost, because the old ideal of a united Christendom has disappeared in the jealous rivalries of warring nations. From time to time attempts have been made to check these dangerous rivalries. But the problem of international peace and co-operation - of a 'society of nations' - is one which mankind is still trying to solve in a satisfactory manner. The nations which took the lead in Europe in the sixteenth, seventeenth, and eighteenth centuries were those that first achieved national unity, and the chief of these were France, Spain, and England. Italy, which had given so much to the world in art and letters, did not share in this political change. Great men lived in Italy - in Rome, Florence, Venice, Naples, and Milan - but all these cities were the capitals of small states. In short, Italy was not a nation; hence she became from 1494 the prey of powerful neighbours. As with Italy, so with Germany.
The Holy Roman Empire was an empire only in name; in practice, Germany contained three or four hundred separate States. Both Germany and Italy retained, until even the nineteenth century, their internal divisions and discords. France, Spain, and England had achieved national unity in the fifteenth and sixteenth centuries, whereas Germany and Italy had to wait another three centuries - and some of our problems to-day are due to the fact that they are still comparatively new nations. The means by which national unity was brought about in France, Spain, and England was the monarchy. It was their kings who saved and made these countries - saved them from feudal anarchy and made them into nations. It was monarchs like Henry VII and Henry VIII of England, Louis XI and Francis I of France, and Ferdinand and Isabella of Spain who united their countries under a strong rule, and led them to a great destiny. A Holy Roman Emperor (Maximilian) contrasted the new monarchs with himself as follows: 'The Emperor is indeed a king of kings, for no one feels bound to obey him; and the King of Spain is a king of men, for, though resisted, he is still obeyed; but the King of France is a king of beasts, for him none dare gainsay.' Research Nation
The Probert Encyclopaedia was designed, edited and programed by
Matt and Leela Probert
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