History is systematically collected information about the past. When used as the name of a field of study, history refers to the study and interpretation of the record of humans, families, and societies. Knowledge of history is often said to encompass both knowledge of past events and historical thinking skills.
Traditionally, the study of history has been considered a part of the humanities. However, in modern academia, history is increasingly classified as a social science, especially when chronology is the focus.
History :: Public Health and Safety

A History of the Embossed Toilet - Concise illustrated history.
Aquae Urbis Romae - Cartographic history of the relationship between hydrological and hydraulic systems and their impact on the urban development of Rome. Examines the intersection between natural hydrological elements and constructed hydraulic elements such as aqueducts, fountains, and sewers.
Down the Drain - Chicago's Sewers - Historic development presentation from the Chicago Public Library.
History of Public Toilets - Historical account on the role of water closets (toilets) and sewage treatment in human hygiene, from Babylon to modern times.
Meta Description: [ History of Public Toilets - Plumbing World has low prices on History of Public Toilets ]
Lynn Wastewater Treatment Plant History - History of wastewater treatment in Lynn, Massachusetts, where wastewater collection began in 1866 with the construction of a stone and brick sewer in Union street.
The History of Philadelphia's Watersheds and Sewers - Extensive history compiled by Adam Levine. Features illustrations, archived documents, maps and related links.
Meta Description: [ A sewer that carries both stormwater and raw sewage from residences and businesses ]
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The History of Plumbing - Extensive article by Ronald L.George. Published in the Plumbing Engineer. Requires Adobe Acrobat to view.
The Story of Sewerage in Leeds - History of the development of sewage services in Leeds from the 19th century, in 9 chapters.
Thomas Crapper History - Illustrated biography of this sanitary pioneer, manufacturer, supplier and installer of sanitary goods. Also a history of the company.
Meta Description: [ History of Thomas Crapper & Co., including the work at Sandringham House and Westminster Abbey., FW4 DW4 HTML ]
Tracking Down the Roots of Our Sanitary Sewers - Photos, materials, documents, and links on the development of sewage conveyance and treatment systems over the past 5500 years.
Meta Description: [ Sewer history from prehistory to the present ]
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