Chicago : Engineering and Contracting Pub. Co. · leaf 567
Section. … Pig. 2—Plan and Section of Horizontal Flow,Imhoff Tank. and have risen under the action of the gases.Scumpipcs, shown at c, are sometimes pro-vided for removing floating sludge if this he-comes necessary. Certain kinds of sludgehave a tendency at times to float, and thespace / above the slots…
Buildings
Internet Archive · University of Illinois Urbana-Champaign · Public Domain Mark 1.0. Free to use for anything.
