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Medieval
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1066 AD to 1539 AD (the 11th century AD to the 16th century AD)
The medieval period comes after the Saxon period and before the post medieval period.
The Medieval period begins in 1066 AD. This was the year that the Normans, led by William the Conqueror (1066 – 1087), invaded England and defeated Harold Godwinson at the Battle of Hastings in East Sussex. The Medieval period includes the first half of the Tudor period (1485 – 1603 AD), when the Tudor family reigned in England and eventually in Scotland too. The end of the Medieval period is marked by Henry VIII’s (1509 – 1547) order for the Dissolution of the Monasteries in the years running up to 1539 AD. The whole of this period is sometimes called the Middle Ages. more ->
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Post Medieval
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About 1540 AD to 1750 AD (the 16th century AD to the 18th century AD)
The Post Medieval period comes after the medieval period and before the Imperial period.
This period covers the second half of the reign of the Tudors (1485 – 1603), the reign of the Stuarts (1603 – 1702) and the beginning of the reign of the Hannoverians (1714 – 1836). more ->
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WEIR *
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A dam constructed on the reaches of a canal or river designed to retain the water and to regulate its flow.
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SITE *
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Unclassifiable site with minimal information. Specify site type wherever possible.
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LOCK *
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A section of the water channel on a canal or river shut off above and below by lock gates provided with sluices to let the water out and in, and thus raise or lower boats from one level to another. Use more specific type where known.
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MACHINERY *
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Apparatus used for applying a mechanical force, or to perform a particular function. Use more specific type where known.
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INDUSTRIAL *
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This is the top term for the class. See INDUSTRIAL Class List for narrow terms.
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BRIDGE *
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A structure of wood, stone, iron, brick or concrete, etc, with one or more intervals under it to span a river or other space. Use specific type where known.
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SLUICE *
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A dam which can be raised or lowered to regulate the flow of water.
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STRUCTURE *
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A construction of unknown function, either extant or implied by archaeological evidence. If known, use more specific type.
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FLASH LOCK *
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A form of lock on a river, which increased the depth upstream and had a gated opening.
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GATE *
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A movable stucture which enables or prevents entrance to be gained. Usually situated in a wall or similar barrier and supported by gate posts.
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LIFT *
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A structure consisting of a box or platform for carrying goods or passengers from one level to another. Use specific type where known.
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* Copyright of English Heritage (1999)