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Latitude: 54.9031 / 54°54'11"N
Longitude: -1.7981 / 1°47'53"W
OS Eastings: 413046
OS Northings: 556508
OS Grid: NZ130565
Mapcode National: GBR HCWR.J5
Mapcode Global: WHC41.C100
Plus Code: 9C6WW632+7Q
Entry Name: Derwent Cote Steel Furnace (The Cone)
Listing Date: 6 June 1951
Grade: I
Source: Historic England
Source ID: 1240411
English Heritage Legacy ID: 438836
ID on this website: 101240411
Location: Hamsterley Mill, County Durham, NE17
County: County Durham
Electoral Ward/Division: Leadgate and Medomsley
Parish: Non Civil Parish
Traditional County: Durham
Lieutenancy Area (Ceremonial County): County Durham
Church of England Parish: Medomsley
Church of England Diocese: Durham
Tagged with: Architectural structure
NZ 15 NW CONSETT FORGE LANE
(East side)
Hamsterley Colliery
1/40 Derwent Cote
6/6/51 steel furnace
("The Cone")
GV I
Steel-making furnace. First half of eighteenth century, for the cementation
process. Coursed sandstone rubble with some ashlar dressings; no roof at time
of survey. One storey, 4 bays with high cone on second-bay furnace. 3 buttresses
support cone; small square openings between buttresses, that at right blocked;
rough wood lintels to partly-blocked door to right of furnace, and empty window
in first bay; stone sill to window in fourth bay (with ruined lintel) has O.S.
bench mark. Return gables survive to full height, the left with large buttress.
Rear elevation shows 3 buttresses to furnace, the central truncated and the
left built into later one-storey, one-bay outshut. High stone cone has 2
square flue openings at top of ground floor; cone contains square opening with
rebated stone lintel and jambs and plain stone sill.
Interior: iron lintels over funnelled entrances to cone, with inner brick
pointed arch in that at right and stone lintel in that at left, both flanked by
buttresses.
The only complete surviving example in England of a cementation furnace.
Empty and derelict at time of survey.
An Ancient Monument in Guardianship.
Listing NGR: NZ1304656508
External links are from the relevant listing authority and, where applicable, Wikidata. Wikidata IDs may be related buildings as well as this specific building. If you want to add or update a link, you will need to do so by editing the Wikidata entry.
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