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Hippocrates believed that water had to be clean and pure. Rainwater was the best water, but had to be boiled and strained before drinking to get rid of the "bad smell" and to avoid hoarseness of the voice. [3] [4] He designed a crude water filter to “purify” the water he used for his patients. Later known as the “Hippocratic sleeve ...
Early human habitations were often built next to water sources. Rivers would often serve as a crude form of natural sewage disposal. Over the millennia, technology has dramatically increased the distances across which water can be relocated. Furthermore, treatment processes to purify drinking water and to treat wastewater have been improved.
The link between water and disease was still not well established and in 1873 the president of the New York board of health declared that "although rivers are great natural sewers, and receive the drainage of towns and cities the natural process of purification, in most cases destroys the offensive bodies derived from sewer and renders them ...
Manual-control chlorinator for the liquefaction of chlorine for water purification, early 20th century. From Chlorination of Water by Joseph Race, 1918. The first continuous use of chlorine in the United States for disinfection took place in 1908 at Boonton Reservoir (on the Rockaway River), which served as the supply for Jersey City, New ...
NEW YORK (AP) — Researchers have uncovered a simple structure from the Stone Age that may be the oldest evidence yet of early humans building with wood. The construction is basic: a pair of ...
Early Tannaitic sources discuss stone vessels extensively as insusceptible of impurity and the book of John mentions stone water jugs "for the Jewish rites of purification. [ 12 ] [ 11 ] In addition to this, given the durability of stoneware its use became popular and widespread during the 1st century BCE when the observation of the laws of ...
Purified water is usually produced by the purification of drinking water or ground water. The impurities that may need to be removed are: inorganic ions (typically monitored as electrical conductivity or resistivity or specific tests) organic compounds (typically monitored as TOC or by specific tests)
Modern humans ventured into northern Europe under extremely cold climate conditions and were living side by side with Neanderthals more than 45,000 years ago, according to new evidence.