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Scientific American, Vol. 78, No. 18 (1898) (1898)
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tinct processes in preparing the pulp, and mixing the two grades in certain proportions, according to the quality of paper which it is desired to turn out of the mills. This softer and more flexible pulp is known as soda pulp. It is prepared from poplar wood cut into chips, which is reduced to… … Fig. 3.-WET PRESS, ON WHICH SULPHITE PULP Is FORMED INTO SHEETS FOR THE MARKET. THE MANUFACTURE OF PAPER. © 1898 SCIENTIFIC AMERICAN, INC.Internet Archive · Public domain (published before 1931). Free to use for anything.
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