Under one great thatched or tiled roof all the covered accommodation necessary for farm life is contained. One side of the building is occupied by living apartments, the remainder providing a huge barn, stalls for cattle, and other conveniences for the farmer's work. These buildings were solidly constructed on a timber basis in the manner shown by the sectional view from Halfweg (page 70), where centre and side aisles are divided from each other by the stout upright timbers. Extreme durability was the keynote and the materials were employed according to their quality. This traditional form of building, practised for many generations, continues in use to the present day. An illustration of the exterior of a similar homestead to that mentioned above, and from the same village, also appears on page 70. The great roof, hipped at each end and covered with pantiles, will be observed. Beneath the eaves are the domestic rooms, in this instance all upon the ground floor; often they extend to a second storey in the roof, which is then lighted by dormers. The cottages follow the same general constructive principles as the farms, and have similar low walls and large roofs. A lean-to was frequently added to give an additional room, and the main roof brought down over it at a less steep pitch. The roof space, valuable as a store, is in many cases reached from the exterior by a ladder. In addition to the customary steeply-pitched roofs, those of the Mansard pattern occur less frequently, as is exemplified by the drawing from Schooten (page 72). Country work does not exhibit a great variety of building materials. Bricks, being made from the natural product and consequently readily available, were principally used for the walls. Rather than left in their normal state, they were often thinly coated with plaster on the outer face, and the lower parts, for about two feet upwards from the ground, were tarred. Houses and cottages of this description together form a characteristic group in the country architecture of Holland. They were built upon a traditional system which grew out of the accumulated experience that was transmitted from generation to generation. Customary examples are shown in the two drawings from Beek (pages 74 and 76), and by that from Broek in Waterland (page 78). The farmhouse from Brigdamme (page 75) is of a similar character; at the entrance are two stone gate-piers, dated 1622. Two influences are to be traced in the farm at Bloemendaal (page 77). The main building has the white plastered walls and large roof--which in this case comes forward to cover an open verandah--while the adjoining gable is of natural coloured bricks and more in the style of town work.