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Latitude: 51.5962 / 51°35'46"N
Longitude: -3.2111 / 3°12'40"W
OS Eastings: 316205
OS Northings: 189291
OS Grid: ST162892
Mapcode National: GBR HW.BR0F
Mapcode Global: VH6DT.948P
Entry Name: Cornish Type Engine House, Bryngwyn Colliery
Scheduled Date: 19 April 1989
Source: Cadw
Source ID: 2913
Cadw Legacy ID: GM440
Schedule Class: Industrial
Category: Engine house
Period: Post Medieval/Modern
County: Caerphilly (Caerffili)
Community: Bedwas, Trethomas and Machen (Bedwas, Tretomos a Machen)
Built-Up Area: Caerphilly
Traditional County: Monmouthshire
The monument consists of the remains of an engine house dating to c. 1868. The engine house is three storeys tall and square of the Cornish type. Little is known about its history, however it is believed to have held an inverted Cornish Engine, which would be an unusual, perhaps unique feature. It ceased work in c. 1903.
The monument is of national importance for its potential to enhance our knowledge of mining in Wales. It retains significant archaeological potential, with a strong probability of the presence of associated archaeological features and deposits. The structure itself may be expected to contain archaeological information concerning chronology and building techniques. An engine house may be part of a larger cluster of industrial monuments and their importance can further enhanced by their group value.
The scheduled area comprises the remains described and areas around them within which related evidence may be expected to survive.
Source: Cadw
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