They wet very quickly, meaning that small changes in the content of water can produce large changes in workability. Thus, the range of water content within which these clays can be worked is very narrow and the loss or gain of water during storage and throwing or forming must be carefully controlled to keep the clay from becoming too wet or too dry to manipulate.
Another landscape painter, named Hill, did some fine work for Duesbury. He had lost rencontrse three first fingers of his right hand, but managed to hold his brush between the stumps. From the first, beautiful figures and groups were made at Derby.