ises a little above the top of the case, bottom of the tube. Just before it reaches this point, the ing, in case of any inopportune admission of air or accident A, to prevent the pulp from coming in contact with the to the machinery. Communication between the tube and the air escape is cut ofE, so… … tion. At D, in the illus- face of the cone, E, be- WARREN'S PAPER-PULP ENGINE. tration, is shown how the tween the groups of various sections of the tubes are connected. It will be air pump is next closed, and a valve is opened, which allows knives, G, are formed two concavities, H I. The con-…
Patents · Illustrated · Torpedo · Improved · Iron · Scientific American · Steel · Free electricity · Address munn · Blue glass · Upper edge · Tartaric acid · Trade catalogs · Artificial butter · Naked eye · York city
Internet Archive · Public domain (published before 1931). Free to use for anything.
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