Early 20th Century Arsenic Works at the Devon Great Consols Mine

Devon

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Tagged With

Arsenic Works
Early 20th Century

Data Source

English Heritage

County Council

Devon County Council

District Council

West Devon Borough Council

Parish

Gulworthy

Parliamentary Constituency

Torridge and West Devon

Grid Reference

SN426426 (242578, 73338)

WGS84 Coordinates

50.538, -4.22178

Nearest Postcode

PL19 8PB

The nearest postcode is an aid to location, and does not necessarily reflect the actual address of the monument. Most scheduled monuments are not occupied buildings and have no postal address or postcode of their own. In rural and coastal areas, the nearest geocodable postal address may be several miles away.


Notes

The arsenic works at Devon Great Consols Mine were built in about 1922, and comprise three calciners, a grinding mill and engine house, flues and baffle chamber, a further flue leading to an inspection chamber and chimney to the north. The calciners include two Brunton calciners and a reverberatory calciner. The process of extracting arsenic was as follows: Ore was crushed, probably by a steam-powered rolls crusher, and dressed by water wheel powered jiggers. It was then fed into the calcining furnaces. This heated it to about 1000 degrees farenheit, which transformed the arsenic content into a gas which was led along a flue to a condenser where it collected as a white 'soot' or powder. The refined arsenic had a variety of uses such as: metal alloy, clarifying glass, medicinal purposes and to create pigment in paint. The works are now Grade II listed and a Scheduled Monument. They are of national or international importance and contain nearly a full range of features. The site is contained within the World Heritage Site of the Cornwall and West Devon Mining Landscape.

English Heritage

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