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Show 5 OL ~PAPERMAKIN animal from the couching material, as it was no only made from wool but from the hair of the seal rabbit, monkey, goat, or camel The best description of the woven wool clot such as used by the papermakers in the eighteent century is furnished by Desmarest in "Traité d PArt de Fabriquer le Papier," (Paris, 1788): "Th felts have two surfaces furnished with differen naps. That side which has the longest nap is ap plied to the couched sheets, and on the side wit the shortest the fresh leaves are laid "If this arrangement of the felting was changed and the sheets laid upon the surface with a lon nap, not only would they not apply themselve accurately to the felt, but the long stiff hairs woul pierce the paper or cause depressions, which woul injure the texture "On the contrary, the leaves fit themselves even Iy to the side with a short nap, which absorbs th surplus water, and gives a sufficient consistenc for the coucher "It is also from this side that the layman detaches the sheets after the post has passed through th press,andafter he hasraised the felts which covere them with their rough side, so that the differen character of these surfaces is an assistance as wel to the layman as to the coucher "The material of which the felting is made requires great care on the part of the papermalers Diital image© 2004 Mariot Libary, Universty o Utah. All right reservd |