PISE IN KOREA.
Pro THE EDITOR or THE " SPECTATOR.") SIII,—It may interest you, as an advocate for several year. past of pisd building, to know that this method is common in Korea, where it is probably as old as the people themselves. It is used chiefly, though not, I think, exclusively, in the con- struction of walls. The process as I have seen it in Seoul is simple. Stout posts, facing each other in two rows a foot or more apart, are driven into the ground along the alignment marked out for the wall. The distance 'along the alignment between the posts varies according to the length of the planks used. These are nailed horizontally to the two rows of posts, the space between being filled with clay. When the bottom layer of clay (or 06.6) reaches the tops of the first two plank■ two other planks are nailed on, one on each side as before, the process being repeated until the height required is reached. The clay is pounded by a wooden driver handled by one or two men. The soil of the district round the capital (Seoul) is mostly disintegrated granite, but beds of clay are found near the river which flows through the city. There is little rain in Korea, except during the rainy season, which last. from July to September.—I am, Sir, &c.,
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