be generally referred to acidity. paper-making industry has undergone many revolu- lever. In the case of .mechanical wood pulp, the effects are tionary changes. As an industry it has grown consider- The wheels are 42 inches in diameter and are mounted traceable to oxidation pure and simple ; the… … disk is independ- than 2 per cent resin, and finished e n 11 y weighted THE NEW SELF-FEED BAND HIPPING SAW. with the normal and can be lifted acidity of pure alum. Loading.—Not more than 10 per out of the way when not in use. In conjunction with increased production a quantity of new fibrous raw…
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