02561cam a22003253u 4500 69025 UtSlPG 20260610134609.0 m cr n 260607r20221900utu|||||o|||||||||||||| d UtSlPG en iso639-1 TD Hazen, Allen, 1869-1930 The filtration of public water-supplies : Third edition, revised and enlarged. Salt Lake City, UT : Project Gutenberg, 2022 1 online resource : multiple file formats text txt rdacontent computer c rdamedia online resource cr rdacarrier Release date is 2022-09-21 Charlene Taylor, Brian G. Wilcox and the Online Distributed Proofreading Team at https://www.pgdp.net (This file was produced from images generously made available by The Internet Archive/American Libraries.) "The Filtration of Public Water-Supplies" by Allen Hazen is a scientific publication written in the early 20th century. The book discusses the critical importance of filtration systems used to purify water supplies, specifically focusing on practices in the United States compared to those in densely populated European countries. It aims to stimulate interest in improving water quality and outlines established methods and necessary conditions for effective water filtration. At the start of the book, Hazen highlights the historical development of water filtration, acknowledging earlier efforts in the United States and contrasting them with successful European practices. He underscores the detrimental effects of using unfiltered water, referencing grave public health issues like cholera outbreaks. The introduction sets the stage for discussing the fundamental principles of filtration, the evolution of methods, and emphasizes the role of proper filtration systems in ensuring the health of urban populations. This opening portion establishes a foundation for a detailed examination of filtration technologies and their significance in public health and engineering, promising a comprehensive resource for those interested in environmental science and engineering practices. (This is an automatically generated summary.) Originally published: United States: John Wiley & Sons, 1900 Water-supply Filters and filtration https://archive.org/details/filtrationofpubl00haze/page/n7/mode/2up https://www.gutenberg.org/ebooks/69025 109824 109824