§ 5. The development of Norman architecture in England was due to the increasing skill in construction which followed the Conquest. For the building of the larger churches, foreign prelates relied on the help of Norman masons, trained in artistic methods far in advance of those which Saxon builders had learned to use. The great aisled churches of the monasteries, Durham, Winchester, Norwich, or Gloucester, planned and built under the superintendence of men who were in close touch with the contemporary art of Normandy, led the way, and provided patterns of architecture which could not fail to exercise an influence upon the smaller churches of the country. In the early parish churches of the Norman period, we cannot expect to find this influence strongly marked. Local masons had little opportunity of acquaintance with the more advanced craftsmanship of the Normans until some large cathedral or abbey church rose in their neighbourhood, and supplied them with a model. Even then their imitation would be rough and uncertain, until practice made perfect their first attempts. The model would also provide them with a plan far beyond the requirements of a parish church, where a single priest served a limited congregation. There was no need of the provision of a large quire or of a number of separate altars: the ritual necessaries were all of the simplest kind. The old plan therefore sufficed in most instances. It is in the masonry that we notice the earliest introduction of modifications and improvements. The thin Saxon walling gives place to more massive construction: walls composed of a rubble core with facings of dressed stone take the place of the rubble masonry with through-stone quoins and dressings of the later Saxon period. The recessing of the arch, with shafts in its jambs, becomes gradually understood: the beginnings of the practice were rough and unintelligent, and it was not without difficulty that the local builder learned the structural use of jamb-shafts as supporting and corresponding to the orders of the arch above. Our country churches supply many instances of this faltering treatment of new motives. Here and there it is possible to trace the direct influence of some large Norman building on the work of the country mason. At Branston, four miles south-east of Lincoln, the western tower of the church belongs to the class which is common in the neighbourhood--a class whose origin is earlier than the introduction of Norman influence. Its masonry has several characteristics of the type known as Saxon. But the high arch of its western doorway, and the small arcades which have been introduced, on either side of the doorway, in the face of the tower, shew very clearly that its builder had seen Norman work, and was attempting, roughly, but not without success, to copy it. Further, the arch of its doorway, and the tall shafts, with crocketed capitals, which support it, are beyond doubt closely imitated from the lower arches of the Norman west front of Lincoln minster. As the Norman church at Lincoln was consecrated in 1092, the tower at Branston can hardly be earlier than that date, and may be several years later. Such examples as this shew that there is still much to discover with regard to the chronology of the later Saxon architecture, and that the grasp of new methods by native builders was acquired very gradually.