r is made an automatic opera-tion. The pulp is screened from the vatover an apron to a moving endless wirecloth made of closely woven fine brasswire, and supported by a series of smallmetal rolls set close together, yet without touching eachother. In this way an even surface of the wire clothis…
Printing · Editor · Illustrated · Paper · Machine · Scientific American · Mechanical · Feet long · Columbia scientific · City editor · Wood pulp · Managing editor · Job printing · York city · American november · Cents additional
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