Search results
Results From The WOW.Com Content Network
This list of ancient watermills presents an overview of water-powered grain-mills and industrial mills in classical antiquity from their Hellenistic beginnings through the Roman imperial period. The watermill is the earliest instance of a machine harnessing natural forces to replace human muscular labour (apart from the sail ). [ 3 ]
Watermill of Braine-le-Château, Belgium (12th century) Interior of the Lyme Regis watermill, UK (14th century). A watermill or water mill is a mill that uses hydropower.It is a structure that uses a water wheel or water turbine to drive a mechanical process such as milling (grinding), rolling, or hammering.
The history of water supply and sanitation is one of a logistical challenge to provide clean water and sanitation systems since the dawn of civilization. Where water resources, infrastructure or sanitation systems were insufficient, diseases spread and people fell sick or died prematurely. Astronaut Jack Lousma taking a shower in space, 1974
The introduction of the ship mill and tide mill in the 6th century, both of which yet unattested for the ancient period, [6] allowed for a flexible response to the changing water-level of rivers and the Atlantic Ocean, thus demonstrating the technological innovativeness of early medieval watermillers.
A tide mill is a water mill driven by tidal rise and fall. A dam with a sluice is created across a suitable tidal inlet, or a section of river estuary is made into a reservoir . As the tide comes in, it enters the mill pond through a one-way gate, and this gate closes automatically when the tide begins to fall.
A ship mill (drawing 1 after H.Ernst, 1805) A ship mill (drawing 2 after H.Ernst, 1805) Between barge and boat well is the undershot water wheel, which is driven by the flowing water of the current. There is also evidence of water mills for which both sides had a narrower water wheel, similar to an old paddle steamer. The floating platform is ...
But on some they are more widely spaced, for instance one box between every five paddles. In water-bearing capacity, across different norias the boxes range from 4 to 12 litres (1 to 3 US gallons). [10] The water delivery of Hama's norias ranges between 50,000 and 200,000 litres per hour, depending on a noria's size (13,200 to 52,800 US gallons ...
Corpus Scriptorum Historiae Byzantinae Text (the History of Nikephoros Gregoras) from the CSHB. The Corpus Scriptorum Historiae Byzantinae (CSHB; English: Corpus of Byzantine history writers), also referred to as the Bonn Corpus, is a monumental fifty-volume series of primary sources for the study of Byzantine history (c. 330 –1453), published in the German city of Bonn between 1828 and 1897.