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Show MACERATIO O MATERIA 16 It is recorded that Ulman Stromer, who established a paper mil in Niirnberg about 1390, "emploed two rollers (axes) which se eighteen stampers in motion." In the Ttalian book on machiner by Vittorio Zonea, printed in 1607, the writer dcpm for the firs The water used in the old sumpmgmxl]) was filtered throug series of wooden boxes, the apertures of which were covered metal wire or horse-hair screen time a set of these stampers. In his engraving dm are cigh umpers to one receptacle, and in the volume by Georg Andrea BocLlcl, dated 1662, the same number is dclmcnlcdin L\\ showing this machine. The German picture was :lppz\ren(ly spired by the earlier Ttalian drawing, the two being almost identical. In the other plate, however, in the Bckler book, three stampers are shown to cach trough. As late as 1718, according to th work by Leonhardt Chns\oph Sturm, there were five sets o stampers to each stone or wooden trough and four troughs at cac side of one axis, the axis and its cams actuating forty separat ital Imag © 2004 University of Utah. All rights reserved |