Research at the sewage treatment plant, the Pennsylvania State College
Subtitle: reduction of bacteria in the open and closed filters
By: by Andrew A. Ormsby.
Series: Bulletin no. 41 of the Pennsylvania State College, Engineering Experiment Station; The Pennsylvania State College Bulletin.; vol. XXVI, no. 43. October 22, 1932
Published: 1932
Place of publication: State College, Pa
Language: eng
Number of pages: 23
Subjects: Pennsylvania State College, State College, Pa.; Sewage -- Purification.; Filters and filtration.; Bacteria.; Protozoa.
Notes: Bibliography: p. 21-22.
Errata: 1 leaf attached to p. 2 of cover.