Wheal Prosper was a tin mine in Cornwall, England, a short distance from the hamlet of Rinsey and about 2.5 miles (4 km) west of Porthleven. The ruined engine house remains, overlooking Mount's Bay near Rinsey Head. The site is a Scheduled Monument,[1] and the engine house is a Grade II listed building.[2]

Wheal Prosper
LocationBreage, Cornwall, England
Coordinates50°5′39.8″N 5°21′56.6″W / 50.094389°N 5.365722°W / 50.094389; -5.365722
OS grid referenceSW 594 270
Built1860
Official nameWheal Prosper pumping engine house 210m south of Eastcliff Farm
Designated18 July 1979
Reference no.1021165
Listed Building – Grade II
Official nameWheal Prosper Engine House
Designated26 August 1987
Reference no.1142234
Wheal Prosper is located in Cornwall
Wheal Prosper
Location of Wheal Prosper in Cornwall

History and description

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The mine opened circa 1860 to exploit the Porthclew lode; it closed in 1866. It was acquired by the National Trust in 1969 and preserved.[2][3]

The building housed an engine of cylinder diameter 30 inches, to pump water from the mine. It has three storeys; it is built of killas rubble, with dressed granite quoins, and the chimney has an upper section of brick.[1][2]

Mineral Statistics

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From Robert Hunt's Mineral Statistics of the United Kingdom[4].

Tin Production (from stannary records; 1861-3)
Year(s) Black (Tons) Value (£) Comment
1861 10.25 716.65 ..
1862 .. 19.30 Tinstuff, from Midsummer 1859 to Ladyday 1863 inclusive
1862 9.29 592.40 ..
1862 28.47 1,778.90 From Midsummer 1859 to Ladyday 1863 inclusive
1863 4.93 326.38 ..
Copper Production (1862-72)
Year(s) Ore (Tons) Metal (Tons) Value (£)
1862 6.00 0.50 41.70
1863 4.00 0.20 13.10
1871 90.00 4.10 212.30
1872 194.00 2.80 26.40
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See also

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References

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  1. ^ a b Historic England. "Wheal Prosper pumping engine house 210m south of Eastcliff Farm (1021165)". National Heritage List for England. Retrieved 10 September 2020.
  2. ^ a b c Historic England. "Wheal Prosper engine house (1142234)". National Heritage List for England. Retrieved 10 September 2020.
  3. ^ "Wheal Prosper" intoCornwall.com. Retrieved 10 September 2020.
  4. ^ Burt, Roger; Burnley, Ray; Gill, Michael; Neill, Alasdair (2014). Mining in Cornwall and Devon: Mines and Men. University of Exeter Press. ISBN 978-0-85989-889-8.