Grenville United Mines, this is a page of two mines, Condurrow and Wheal Grenville. They merged in 1906 to form the Grenville United Mines, between them over the course of their lives they produced over 31,000 tons of Tin from working the Great Flat Lode. The mining group worked until 1921 when a crash in the Tin Prices forced closure.
The images on this page were taken in 1995 for use in Bob Acton’s book Exploring Cornish Mines Vol 2.
An image Marshall’s Engine House of South Condurrow Mine, it was built in 1886 to house a 60″ Pumping Engine. The shaft was sunk in 1881 reachinga final depth of just over 1000ft. The engine remained in the house until 1923 when it was scrapped.
An image of the Whim taken through the boiler house doorway of the Marshall’s Pumping Engine House.
A side view of Marshall’s 26″ Whim Engine House, strapping on the wall can be clearly seen.
An image of the Engine House taken looking across the front loadings.
The New Stamps Engine House of Wheal Grenville. This was built around 1890, the engine here drove 136 heads of Cornish Stamps to break the ore, the noise must have been extraordinary.
A second image of the Stamps House at Wheal Grenville Mine, it held a 36″ engine. The roof line of the Boiler House can be seen on the wall.
The Engine House loadings, the deep slot for the flywheel can clearly be seen.
The foundations for the flywheel that drove the heads of stamps, in the distance are the two Engine Houses on Fortescue’s shaft of Grenville United.
THe Stamps engine House from the front, the massive loadings for the stamps flywheels are in front. The raised brickwork at the front of the loadings was for an auxiliary pumping beam which supplied water to the dressing floors of Wheal Grenville.
The surviving wall of the Frue Vanner House dated 1900.
The wall bears three plaques, this one over the doorway is WG (Wheal Grenville) 1900.
The Cornish motto “One and All” on this plaque.
The final plaque bears the Mine Managers name C.F Bishop.
A view of the two Engine Houses at Fortescue’s Shaft Wheal Grenville. The closer engine house was for a 28″ Whim (Winding) engine, the larger in the distance housed the 90″ pumping engine.
The huge 90″ Pumping Engine House at Fortescue’s Shaft Grenville United. The shaft here is 2370ft deep on the underlie, the engine was built in 1872 by Harvey’s of Hayle. There was an attempt to reopen the shaft in the 1960’s to reach sections of the Great Flat Lode that were believed not to have been worked, but this was a failure.
The 28″ Winding Engine House at Fortescue’s Shaft.
The sad remains of Gould’s 80″ Engine House built in 1878, the shaft here was 1440ft deep. Sadly demolished by the landowner who considered it unsafe.