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Show OLD~xPAPERMAKIN 3 rots less quickly than coarse and old linen wit more difficulty than new. (The bleaching of rags for papermalsin was discovered in 1774 by Scheele, a celebrated Germa chemist established in Sweden, but the process wa not used extensively until a number of yearslater. The stamping-mills tha were invente set at a slant which wer caused to rise and fall by means of a series of cam on a stout axis. These hammers worked up an down in troughs intowhich the rags were thrown The troughs or pans were of oblong shape havin been cut from heavy oak logs or blocks of stone; th wood pans being lined with iron or lead In the better equipped mills the stampers wer divided into three classes. The first set of stamp ‘was shod with rough iron teeth which mangle the cloth while a stream of pure water ran int each pan and cleansed the rags, the dirty wate leaving through a hole in the bottom of the trough over which a finely woven hair-cloth kept the dismembered fibres from escaping. When the rag Diital image © 2004 Marriot Libary, University o Utah. Al righs reserved |