The Project Gutenberg eBook ofThe Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.This ebook is for the use of anyone anywhere in the United States and most other parts of the world at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this ebook or online atwww.gutenberg.org. If you are not located in the United States, you will have to check the laws of the country where you are located before using this eBook.Title: The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.Author: Matthew Holbeche BloxamRelease date: November 8, 2006 [eBook #19737]Language: EnglishCredits: Produced by Jonathan Ingram, Julia Miller and the OnlineDistributed Proofreading Team at http://www.pgdp.net*** START OF THE PROJECT GUTENBERG EBOOK THE PRINCIPLES OF GOTHIC ECCLESIASTICAL ARCHITECTURE, ELUCIDATED BY QUESTION AND ANSWER, 4TH ED. ***
This ebook is for the use of anyone anywhere in the United States and most other parts of the world at no cost and with almost no restrictions whatsoever. You may copy it, give it away or re-use it under the terms of the Project Gutenberg License included with this ebook or online atwww.gutenberg.org. If you are not located in the United States, you will have to check the laws of the country where you are located before using this eBook.
Title: The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.Author: Matthew Holbeche BloxamRelease date: November 8, 2006 [eBook #19737]Language: EnglishCredits: Produced by Jonathan Ingram, Julia Miller and the OnlineDistributed Proofreading Team at http://www.pgdp.net
Title: The Principles of Gothic Ecclesiastical Architecture, Elucidated by Question and Answer, 4th ed.
Author: Matthew Holbeche Bloxam
Author: Matthew Holbeche Bloxam
Release date: November 8, 2006 [eBook #19737]
Language: English
Credits: Produced by Jonathan Ingram, Julia Miller and the OnlineDistributed Proofreading Team at http://www.pgdp.net
*** START OF THE PROJECT GUTENBERG EBOOK THE PRINCIPLES OF GOTHIC ECCLESIASTICAL ARCHITECTURE, ELUCIDATED BY QUESTION AND ANSWER, 4TH ED. ***
Transcriber’s NoteA number of typographical errors have been maintained in the current version of this book. They aremarkedand the corrected text is shown in the popup. Alistof these errors is found at the end of this book.The following less common characters were used. If they do not display properly, please try changing your font.m̅n̅mn with a macron over both letterso̅m̅om with a macron over both letterso̅n̅on with a macron over both lettersr̅e̅re with a macron over both letters
Transcriber’s Note
A number of typographical errors have been maintained in the current version of this book. They aremarkedand the corrected text is shown in the popup. Alistof these errors is found at the end of this book.
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“Whereby may be discerned that so fervent was the zeal of those elder times to God’s service and honour, that they freely endowed the church with some part of their possessions; and that in those good works even the meaner sort of men, as well as the pious founders, were not backwards.”Dugdale’s Antiq. Warwickshire.
“Whereby may be discerned that so fervent was the zeal of those elder times to God’s service and honour, that they freely endowed the church with some part of their possessions; and that in those good works even the meaner sort of men, as well as the pious founders, were not backwards.”
Dugdale’s Antiq. Warwickshire.
THE
PRINCIPLES
OF
GOTHIC
ECCLESIASTICAL
ARCHITECTURE,
ELUCIDATED BY QUESTION AND ANSWER.
BYMATTHEW HOLBECHE BLOXAM.
FOURTH EDITION.
OXFORD:JOHN HENRY PARKER.
The Principles of Gothic Ecclesiastical Architecture
In revising this Work for a Fourth Edition several alterations have been made, especially in the Concluding Chapter; and the whole has been considerably enlarged.
M. H. B.
Rugby,April 1841.
CHAP. I.PageDefinition of Gothic Architecture; its Origin, and Division of it intoStyles17CHAP. II.Of the different Kinds ofArches22CHAP. III.Of the Anglo-SaxonStyle30CHAP. IV.Of the Norman or Anglo-NormanStyle51CHAP. V.Of the Semi-NormanStyle74CHAP. VI.Of the Early EnglishStyle86CHAP. VII.Of the Decorated EnglishStyle102CHAP. VIII.Of the Florid or Perpendicular EnglishStyle120CHAP. IX.Of the Debased EnglishStyle145CONCLUDING CHAPTER.Of the Internal Arrangement and Decorations of aChurch153
CHAP. I.
Page
Definition of Gothic Architecture; its Origin, and Division of it intoStyles17
CHAP. II.
Of the different Kinds ofArches22
CHAP. III.
Of the Anglo-SaxonStyle30
CHAP. IV.
Of the Norman or Anglo-NormanStyle51
CHAP. V.
Of the Semi-NormanStyle74
CHAP. VI.
Of the Early EnglishStyle86
CHAP. VII.
Of the Decorated EnglishStyle102
CHAP. VIII.
Of the Florid or Perpendicular EnglishStyle120
CHAP. IX.
Of the Debased EnglishStyle145
CONCLUDING CHAPTER.
Of the Internal Arrangement and Decorations of aChurch153
Page 41, line 9,forCambridge,readLincoln.
Page 49.In addition to the list of churches containing presumed vestiges of Anglo-Saxon architecture, Woodstone Church, Huntingdonshire, and Miserden Church, Gloucestershire, may be enumerated.
Page 71.The double ogee moulding is here inserted by mistake: it is not Norman, but of the fifteenth century.
Page 137.In some copies the wood-cut in this page has been reversed in its position.
Two Arches of Roman Masonry, Leicester.Two Arches of Roman Masonry, Leicester.
ON THE ORIGIN, PROGRESS, AND DECLINE OF GOTHIC OR ENGLISH ECCLESIASTICAL ARCHITECTURE.
Amongstthe vestiges of antiquity which abound in this country, are the visible memorials of those nations which have succeeded one another in the occupancy of this island. To the age of our Celtic ancestors, the earliest possessors of its soil, is ascribed the erection of those altars and templesof all but primeval antiquity, the Cromlechs and Stone Circles which lie scattered over the land; and these are conceived to have been derived from the Phœnicians, whose merchants first introduced amongst the aboriginal Britons the arts of incipient civilization. Of these most ancient relics the prototypes appear, as described in Holy Writ, in the pillar raised at Bethel by Jacob, in the altars erected by the Patriarchs, and in the circles of stone set up by Moses at the foot of Mount Sinai, and by Joshua at Gilgal. Many of these structures, perhaps from their very rudeness, have survived the vicissitudes of time, whilst there scarce remains a vestige of the temples erected in this island by the Romans; yet it is from Roman edifices that we derive, and can trace by a gradual transition, the progress of that peculiar kind of architecture calledGothic, which presents in its later stages the most striking contrast that can be imagined to its original precursor.
The Romans having conquered almost the whole of Britain in the first century, retained possession of the southern parts for nearly four hundred years; and during their occupancy they not only instructed the natives in the arts of civilization, but also with their aid, as we learn from Tacitus, began at an early period to erect temples andpublic edifices, though doubtless much inferior to those at Rome, in their municipal towns and cities. The Christian religion was also earlyintroduced,3-*but for a time its progress was slow; nor was it till the conversion of Constantine, in the fourth century, that it was openly tolerated by the state, and churches were publicly constructed for its worshippers; though even before that event, as we are led to infer from the testimony of Gildas, the most ancient of our native historians, particular structures were appropriated for the performance of its divine mysteries: for that historian alludes to the British Christians as reconstructing the churches which had, in the Dioclesian persecution, been levelled to the ground. But in the fifth century Rome, oppressed on every side by enemies, and distracted with the vastness of her conquests, which she was no longer able to maintain, recalled her legions from Britain; and the Romanized Britons being left without protection, and having, during their subjection to the Romans, lost their ancient valour and love of liberty, in a short time fell a prey to the Northern Barbarians; in their extremity they called over the Saxons to assist them, whenthe latter perceiving their defenceless condition, turned round upon them, and made an easy conquest of this country. In the struggle which then took place, the churches were again destroyed, the priests were slain at the veryaltars,4-*and though the British Church was never annihilated, Paganism for a while became triumphant.
Towards the end of the sixth century, when Christianity was again propagated in this country by Augustine, Mellitus, and other zealous monks, St. Gregory, the head of the Papal church, and the originator of this mission, wrote to Mellitus not to suffer the Heathen temples to be destroyed, but only the idols found within them. These, and such churches built by the Romans as were then, though in a dilapidated state, existing, may reasonably be supposed to have been the prototypes of the Christian churches afterwards erected in this country.
In the early period of the empire the Romans imitated the Grecians in their buildings of magnitude and beauty, forming, however, a style of greater richness in detail, though less chaste in effect; and columns of the different orders, withtheir entablatures, were used to support and adorn their public structures: but in the fourth century, when the arts were declining, the style of architecture became debased, and the predominant features consisted of massive square piers or columns, without entablatures, from the imposts of which sprung arches of a semicircular form; and it was in rude imitation of this latter style that the Saxon churches were constructed.
The Roman basilicas, or halls of justice, some of which were subsequently converted into churches, to which also their names were given, furnished the plan for the internal arrangement of churches of a large size, being divided in the interior by rows of columns. From this division the nave and aisles of a church were derived; and in the semicircular recess at the one end for the tribune, we perceive the origin of the apsis, or semicircular east end, which one of the Anglo-Saxon, and many of our ancient Norman churches still present.
But independent of examples afforded by some few ancient Roman churches, and such of the temples and public buildings of the Romans as were then remaining in Britain, the Saxon converts were directed and assisted in the science of architecture by those missionaries from Rome who propagated Christianity amongst them; andduring the Saxon dynasty architects and workmen were frequently procured from abroad, to plan and raise ecclesiastical structures. The Anglo-Saxon churches were, however, rudely built, and, as far as can be ascertained, with some few exceptions, were of no great dimensions and almost entirely devoid of ornamental mouldings, though in some instances decorative sculpture and mouldings are to be met with; but in the repeated incursions of the Danes, in the ninth and tenth centuries, so general was the destruction of the monasteries and churches, which, when the country became tranquil, were rebuilt by the Normans, that we have, in fact, comparatively few churches existing which we may reasonably presume, or really know, to have been erected in an Anglo-Saxon age. Many of the earlier writers on this subject have, however, caused much confusion by applying the term ‘Saxon’ to all churches and other edifices contradistinguished from the pointed style by semicircular-headed doorways, windows, and arches. But the vestiges of Anglo-Saxon architecture have been as yet so little studied or known, as to render it difficult to point out, either generally or in detail, in what their peculiarities consist: the style may, however, be said to have approximated in appearance much nearer to the DebasedRoman style of masonry than the Norman, and to have been also much ruder: and in the most ancient churches, as in that at Dover Castle, and that at Bricksworth, we find arches constructed of flat bricks or tiles, set edgewise, which was also a Roman fashion. The masonry was chiefly composed of rubble, with ashlar or squared blocks of stone at the angles, disposed in courses in a peculiar manner.
Anglo-Saxon Arches, Bricksworth Church, Northamptonshire (7th. cent.)Anglo-Saxon Arches, Bricksworth Church, Northamptonshire (7th. cent.)
The most common characteristic by which theNormanstyle is distinguished, is the semicircular or segmental arch, though this is to be met with also in the rare specimens of Anglo-Saxon masonry; but the Norman arches were more scientifically constructed: in their early state, indeed, quite plain, but generally concentric, or one arch receding within another, and in an advanced stage they were frequently ornamentedwith zig-zag and other mouldings. A variety of mouldings were also used in the decoration of the Norman portals or doorways, which were besides often enriched with a profusion of sculptured ornament. The Norman churches appear to have much excelled in size the lowly structures of the Saxons, and the cathedral and conventual churches were frequently carried to the height of three tiers or rows of arches, one above another; blank arcades were also used to ornament the walls.
Norman Arcade, St. Aldgate, Oxford.Norman Arcade, St. Aldgate, Oxford.
The Norman style, in which an innumerable number of churches and monastic edifices were originally built or entirely reconstructed, continued without any striking alteration till about the latter part of the twelfth century, when a singular change began to take place: this was no other than the introduction of the pointed arch, the origin of which has never yet beensatisfactorily explained, or the precise period clearly ascertained in which it first appeared; but as the lightness and simplicity of design to which the Early Pointed style was found to be afterwards convertible was in its incipient state unknown, it retained to the close of the twelfth century the heavy concomitants of the semicircular arch, with which indeed it was often intermixed: and from such intermixture it may be designated theSemiorMixed Norman.
When the original Norman style of building was first broken through, by the introduction of the pointed arch, which was often formed by the intersection of semicircular arches, the facing of it, or architrave, was often ornamented with the zig-zag, billet, and other mouldings, in the same manner as the Norman semicircular arches: it also rested on round massive piers, and still retained many other features of Norman architecture. But from the time of its introduction to the close of the twelfth century, the pointed arch was gradually struggling with the semicircular arch for the mastery, and with success; for from the commencement of the thirteenth century, as nearly as can be ascertained, the style of building with semicircular arches was, with veryfew exceptions, altogether discarded, and superseded by its more elegant rival.
Canterbury Cathedral.Canterbury Cathedral.
The mode of building with semicircular arches, massive piers, and thick walls with broad pilaster buttresses, was now laid aside; and the pointed arch, supported by more slender piers, with walls strengthened with graduating buttresses, of less width but of greater projection, were universally substituted in their stead. The windows, one of the most apparent marks of distinction, were at first long, narrow, and lancet-shaped: the heavy Norman ornaments, the zig-zag and other mouldings peculiar to the Norman and Semi-Norman styles, were now discarded; yet we often meet with certain decorative ornaments, as the toothornament, which, though sometimes found in late Norman work, is almost peculiar to the Early Pointed style; also the ball-flower, prevalent both in this and the style of the succeeding century. Many church towers were also capped with spires, which now first appear. This style prevailed generally throughout the thirteenth century, and is usually designated as theEarly English.
Horsley Ch., Derbyshire.Horsley Ch., Derbyshire.
Towards the close of the thirteenth century a perceptible, though gradual, transition took place to a richer and more ornamental mode of architecture. This was the style of the fourteenth century, and is known by the name of theDecorated English; but it chiefly flourished during the reigns of Edward the Second and Edward the Third, in the latter of which it attained a degree of perfection unequalled by preceding or subsequent ages. Some of the most prominent and distinctive marks of this style occur in the windows, which were greatly enlarged, and divided into many lights by mullions or tracery-bars running into various ramifications above, and dividing the heads into numerous compartments, formingeither geometrical or flowing tracery. Triangular or pedimental canopies and pinnacles, more enriched than before with crockets and finials, yet without redundancy of ornament, also occur in the churches built during this century.
Worstead Church, Norfolk.Worstead Church, Norfolk.
In the latter part of the fourteenth century another transition, or gradual change of style, began to be effected, in the discrimination of which an obvious distinction again occurs in the composition of the windows, some of which are very large: for the mullion-bars, instead of branching off in the head, in a number of curved lines, are carried up vertically, so as to formperpendiculardivisions between the window-sill and the head, and do not present that combination of geometrical and flowing tracery observable in the style immediately preceding.
St. Michael's, Oxford.St. Michael's, Oxford.
The frequent occurrence of panelled compartments, and the partial change of form in the arches, especially of doorways and windows, which in the latter part of the fifteenth century were often obtusely pointed and mathematically described from four centres, instead of two, as in the more simple pointed arch, and which from the period when this arch began to be prevalent was called theTudorarch, together with a great profusion of minute ornament, mostly of a description not before in use, are the chief characteristics of the style of the fifteenthcentury, which by some of the earlier writers was designated as theFlorid; though it has since received the more general appellation of thePerpendicular.
This style prevailed till the Reformation, at which period no country could vie with our own in the number of religious edifices, which had been erected in all the varieties of style that had prevailed for many preceding ages. Next to the magnificent cathedrals, the venerable monasteries and collegiate establishments, which had been founded and sumptuously endowed in every part of the kingdom, might most justly claim the preeminence; and many of the churches belonging to them were deservedly held in admiration for their grandeur and architectural elegance of design.
But the suppression of the monasteries tended in no slight degree to hasten the decline and fall of our ancient church architecture, to which other causes, such as the revival of the classic orders in Italy, also contributed. The churches belonging to the conventual foundations, which had been built at different periods by the monks or their benefactors, and the charges of erecting and decorating which from time to time in the most costly manner, had been defrayed out of themonastic revenues, and from private donations, being seized by the crown, were reduced to a state of ruin, and the sites on which they stood granted to dependants of the court. The former reverential feeling on these matters had greatly changed; and as the retention of some few of the ministerial habits, the square cap, the cope, the surplice, and hood, which were deemed expedient for the decent ministration of public worship, gave great offence to many, and was one of the most apparent causes which led to that schism amongst the Reformers, on points of discipline, which afterwards ended in the subversion, for a time, of the rites and ordinances of the Church of England, any attempt towards beautifying and adorning (other than with carved pulpits and communion-tables or altars) the places of divine worship, which were now stripped of many of their former ornamental accessories, would have been regarded and inveighed against as a popish and superstitious innovation; and a charge of this kind was at a later period preferred against Archbishop Laud. Parochial churches were, therefore, now repaired when fallen into a state of dilapidation, in a plain and inelegant mode, in complete variance with the richness and display observable in the style just preceding this event.
Details, originating from the designs of classic architecture, which had been partially revived in Italy, began early in the sixteenth century to make their appearance in this country, though as yet, except on tombs and in wood-work, we observe few of those peculiar features introduced as accessories in church architecture.
Hence many of our country churches, which were repaired or partly rebuilt in the century succeeding the Reformation, exhibit the marks of the style justly denominatedDebased, to distinguish it from the former purer styles. Depressed and nearly flat arched doorways, with shallow mouldings, square-headed windows with perpendicular mullions and obtuse-pointed or round-headed lights, without foliations, together with a general clumsiness of construction, as compared with more ancient edifices, form the predominating features in ecclesiastical buildings of this kind: and in the reign of Charles the First an indiscriminate mixture of Debased Gothic and Roman architecture prevailing, we lose sight of every true feature of our ancient ecclesiastical styles, which were superseded by that which sprang more immediately from the Antique, the Roman, or Italian mode.
3-*Tempore, ut scimus, summo Tiberii Cæsaris, &c.—Gildas.4-*Ruebant ædificia publica simul et privata, passim Sacerdotes inter altaria trucibantur.—Bede, Eccl. Hist. lib. i. c. xv.
3-*Tempore, ut scimus, summo Tiberii Cæsaris, &c.—Gildas.
4-*Ruebant ædificia publica simul et privata, passim Sacerdotes inter altaria trucibantur.—Bede, Eccl. Hist. lib. i. c. xv.
Scutcheon from Beauchamp Chapel, Warwick, circa A. D. 1450.Scutcheon from Beauchamp Chapel, Warwick, circa A. D. 1450.
DEFINITION OF GOTHIC ARCHITECTURE; ITS ORIGIN, AND THE DIVISION OF IT INTO STYLES.
Q. Whatis meant by the term “Gothic Architecture”?
A. Without entering into the derivation of the word “Gothic,” it may suffice to state that it is an expression sometimes used to denote in one general term, and distinguish from the Antique, those peculiar modes or styles in which most of our ecclesiastical and many of our domestic edifices of the middle ages have been built. In a more confined sense, it comprehends those styles only in which the pointed arch predominates, and it is then often used to distinguish such from the more ancient Anglo-Saxon and Norman styles.
Q. To what can the origin of this kind of architecture be traced?
A. To the classic orders in that state of degeneracy into which they had fallen in the age of Constantine, and afterwards; and as the Romans, on their voluntary abandonment of Britain in the fifth century, left many of their temples and public edifices remaining, together with some Christian churches, it was in rude imitation of the Roman structures of the fourth century that the most ancient of our Anglo-Saxon churches were constructed. This is apparent from an examination and comparison of such with the vestiges of Roman buildings we have existing.
Q. Into how many different styles may English ecclesiastical architecture be divided?
A. No specific regulation has been adopted, with regard to the denomination or division of the several styles, in which all the writers on the subject agree: but they may be divided into seven,which, together with the periods when they flourished, may be generally defined as follows:
TheSaxonOrAnglo-SaxonStyle, which prevailed from the mission of Augustine, at the close of the sixth, to the middle of the eleventh century.
TheNormanstyle, which may be said to have prevailed generally from the middle of the eleventh to the latter part of the twelfth century.
TheSemi-Norman, OrTransitionstyle, which appears to have prevailed during the latter part of the twelfth century.
TheEarly English, or general style of the thirteenth century.
TheDecorated English, or general style of the fourteenth century.
TheFloridOrPerpendicular English, the style of the fifteenth, and early part of the sixteenth century.
TheDebased English, or general style of the latter part of the sixteenth and early part of the seventeenth century, towards the middle of which Gothic architecture, even in its debased state, became entirely discarded.
Q. What constitutes the difference of these styles?
A. They may be distinguished partly by the form of the arches, which are triangular-headed,semicircular or segmental, simple pointed, and complex pointed; though such forms are by no means an invariable criterion of any particular style; by the size and shape of the windows, and the manner in which they are subdivided or not by transoms, mullions, and tracery; but more especially by certain minute details, ornamental accessories and mouldings, more or less peculiar to particular styles, and which are seldom to be met with in any other.
Q. Are the majority of our ecclesiastical buildings composed only of one style?
A. Most of our cathedral and country churches have been built, or had additions made to them, at different periods, and therefore seldom exhibit an uniformity of design; and many churches have details about them of almost every style. There are, however, numerous exceptions, where churches have been erected in the same style throughout; and this is more particularly observable in the churches of the fifteenth century.
Q. Were they constructed on any regular plan?
A. The general ground plan of cathedral and conventual churches was after the form of a cross, and the edifice consisted of a central tower, with transepts running north and south; westward of the tower was the nave or main body of thestructure, with lateral aisles; and the west front contained the principal entrance, and was often flanked by towers. Eastward of the central tower was the choir, where the principal service was performed, with aisles on each side, and beyond this was the lady chapel. Sometimes the design also comprehended other chapels. On the north or south side was the chapter house, in early times quadrangular, but afterwards octagonal in plan; and on the same side, in most instances, though not always, were the cloisters, which communicated immediately with the church, and surrounded a quadrangular court. The chapter house and cloisters we still find remaining as adjuncts to most cathedral churches, though the conventual buildings of a domestic nature, with which the cloisters formerly also communicated, have generally been destroyed. Mere parochial churches have commonly a tower at the west end, a nave with lateral aisles, and a chancel. Some churches have transepts; and small side chapels or additional aisles have been annexed to many, erected at the costs of individuals, to serve for burial and as chantries. The smallest class of churches have a nave and chancel only, with a small bell-turret formed of wooden shingles, or an open arch of stonework, appearing above the roof at the west end.
St. Martin's, Leicester, circa A. D. 1250.St. Martin's, Leicester, circa A. D. 1250.
OF THE DIFFERENT KINDS OF ARCHES.
Q. Dothe distinctions of the different styles, as they differ from each other, depend at all upon the form of the arch?
A. To a certain extent the form of the arch may be considered as a criterion of style; toomuch dependence, however, must not be placed on this rule, inasmuch as there are many exceptions.
Q. How are arches divided generally, as to form?
A. Into the triangular-headed or straight-lined pointed arch, the round-headed arch, and the curved-pointed arch; and the latter are again subdivided.
Q. How is the triangular-headed or straight-lined pointed arch formed, and when did it prevail?
A. It may be described as formed by the two upper sides of a triangle, more or less obtuse or acute. It is generally considered as one of the characteristics of the Anglo-Saxon style, where it is often to be met with of plain and rude construction. But instances of this form of arch, though they are not frequent, are to be met with in the Norman and subsequent styles. Arches, however, of this description, of late date, may be generally known by some moulding or other feature peculiar to the style in which it is used.
Triangular-headed or straight-lined pointed arch
Q. What different kinds of round-headed arches are there?
A. The semicircular arch (fig. 1), the stilted arch (fig. 2), the segmental arch (fig. 3), and the horse-shoe arch (fig. 4).
Figs. 1-4
Q. How are they formed or described?
A. The semicircular arch is described from a centre in the same line with its spring; the stilted arch in the same manner, but the sides are carried downwards in a straight line below the spring of the curve till they rest upon the imposts; the segmental arch is described from a centre lower than its spring; and the horse-shoe arch from a centre placed above its spring.
Q. During what period of time do we find these arches generally in use?
A. The semicircular arch, which is the most common, we find to have prevailed from the timeof the Romans to the close of the twelfth century, when it became generally discarded; and we seldom meet with it again, in its simple state, till about the middle of the sixteenth century. It is in some degree considered as a characteristic of the Anglo-Saxon and Norman styles. The stilted arch is chiefly found in conjunction with the semicircular arch in the construction of Norman vaulting over a space in plan that of a parallelogram. The segmental arch we meet with in almost all the styles, used as an arch of construction, and for doorway and window arches; whilst the form of the horse-shoe arch seems, in many instances, to have been occasioned by the settlement and inclination of the piers from which it springs.
Q. Into how many classes may the pointed arch be divided?
A. Into two, namely, the simple pointed arch described from two centres, and the complex pointed arch described from four centres.
Q. What are the different kinds of simple pointed arches?
A. TheLancet, or acute-pointed arch; theEquilateralpointed arch; and theObtuse-angledpointed arch.
Q. How is the lancet arch formed and described?
A. It is formed of two segments of a circle, and its centres have a radius or line longer than the breadth of the arch, and may be described from an acute-angled triangle.(fig. 5.).
Q. How is the equilateral arch formed and described?
A. From two segments of a circle; the centres of it have a radius or line equal to the breadth of the arch, and it may be described from an equilateral triangle. (fig. 6.)
Figs. 5-7
Q. How is the obtuse-angled arch formed and described?
A. Like the foregoing, it is formed from two segments of a circle, and the centres of it have a radius shorter than the breadth of the arch; it is described from an obtuse-angled triangle. (fig. 7.)
Q. During what period were these pointed arches in use?
A. They were all gradually introduced in the twelfth century, and continued during the thirteenth century; after which the lancet archappears to have been generally discarded, though the other two prevailed till a much later period.
Q. What are the different kinds of complex pointed arches?
A. Those commonly called theOgee, or contrasted arch; and theTudorarch.
Q. How is the ogee, or contrasted arch, formed and described?
A. It is formed of four segments of a circle, and is described from four centres, two placed within the arch on a level with the spring, and two placed on the exterior of the arch, and level with the apex or point (fig. 8); each side is composed of a double curve, the lowermost convex and the uppermost concave.
Figs. 8, 9
Q. When was the ogee arch introduced, and how long did it prevail?
A. It was introduced early in the fourteenth century, and continued till the close of the fifteenth century.
Q. How is the Tudor arch described?
A. From four centres; two on a level withthe spring, and two at a distance from it, and below. (fig. 9.)
Q. When was the Tudor arch introduced, and why is it so called?
A. It was introduced about the middle of the fifteenth century, or perhaps earlier, but became most prevalent during the reigns of Henry the Seventh and Henry the Eighth, under the Tudor dynasty, from which it derives its name.
Figs. 10 to 12
Q. What other kinds of arches are there worthy of notice?
A. Those which are called foiled arches, as the round-headed trefoil (fig. 10), the pointed trefoil (fig. 11), and the square-headed trefoil (fig. 12). The first prevailed in the latter part of the twelfth and early part of the thirteenth century, chiefly as a heading for niches or blank arcades; the second, used for the same purpose, we find to have prevailed in the thirteenth century; and the latter is found in doorways of the thirteenth, fourteenth, and fifteenth centuries. In all thesethe exterior mouldings follow the same curvatures as the inner mouldings, and are thus distinguishable from arches the heads of which are only foliated within.