Wheal Prosper
Wheal Prosper was a tin mine in Cornwall, England, a short distance from the hamlet of Rinsey and about west of Porthleven. The ruined engine house remains, overlooking Mount's Bay near Rinsey Head. The site is a Scheduled Monument, and the engine house is a Grade II listed building.
History and description
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.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.
Mineral Statistics
From Robert Hunt's Mineral Statistics of the United Kingdom''.''| Year | Black | 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 | .. |