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Latitude: 49.9978 / 49°59'52"N
Longitude: -5.1729 / 5°10'22"W
OS Eastings: 172707
OS Northings: 15672
OS Grid: SW727156
Mapcode National: GBR Z7.V697
Mapcode Global: FRA 0910.BK9
Plus Code: 8CXPXRXG+4R
Entry Name: Serpentine Factory
Listing Date: 20 May 1975
Grade: II
Source: Historic England
Source ID: 1141914
English Heritage Legacy ID: 64627
ID on this website: 101141914
Location: Poltesco, Cornwall, TR12
County: Cornwall
Civil Parish: Grade-Ruan
Traditional County: Cornwall
Lieutenancy Area (Ceremonial County): Cornwall
Church of England Parish: Ruan Minor
Church of England Diocese: Truro
Tagged with: Architectural structure
GRADE-RUAN POLTESCO
SW 71 NW
6/47 Serpentine Factory,
Carleon Cove
20 5 75
GV II
Show room and storehouse for serpentine factory now empty. Datestone in gable
LSOL over 1866. Snecked serpentine blocks with scantle slate roof and clay
ridge tiles. Built into bedrock with ground rising to north. South elevation:
3 storeys, symmetrical, gable ended. Ground, first and second floor openings
under wide segmental arches with small rusticated keystones. C20 vertical
timber boarding in openings. Datestone below gable. North elevation: one
storey, symmetrical, gable ended with wide brick segmental arched opening in
centre. Ruins of other earlier factory buildings to the west with quay to the
south where flat bottom barges were loaded with serpentine chimney pieces and
other architectural details worked at the factory. Factory ceased to operate in
the early 1890s.
Listing NGR: SW7270615672
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