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Brass component from Cornish Pumping Engine

1862

Old Cornish punched tin gauge

Harvey & Co Oscillating cylinder steam engine

1870

Cornish Pumping Engine Model built by Harvey & Co

1862

Plinth for Cornish Pumping Engine built by Harvey & Co of Hayle, Cornwall, for display at the International Exhibition of 1862

Plinth for Cornish Pumping Engine built by Harvey & Co of Hayle

1862

Cornish Pumping Engine built by Harvey & Co of Hayle, Cornwall, for display at the International Exhibition of 1862

Cornish Pumping Engine, 1862

1862

Cornish pumping engine, by Harvey & Co., Hayle, 1863; comprising the metallic parts and wooden parts of the engine house from Carpalla China Clay Quarry, near St. Austell

Cornish pumping engine

1863

50 inch "Bull" engine built by Harvey & Co., Hayle, Cornwall, in 1876-7 for the iron shaft at Severn Tunnel Pumping Station, Sudbrook, Monmouthshire

50 inch 'Bull' engine

1876-1877

Trevithick's patent 1802, high pressure steam engine, constructed at Hayle Foundry, 1811 for threshing purposes at Trewithen, Cornwall, in use till 1879

Trevithick's patent 1802, high pressure steam engine, constructed 1811 for threshing purposes at Trewithen, in use till 1879

1811

W. Husband's patent Safety Balance Water Valve, c. 1855 (fitted to 1862-26 Cornish Pumping Engine)

Safety Balance Water Valve

1855

Cataract rod with clevis and muff coupling, rod with clevis and screwed loop and screwed rod with small handwheel for regulating the cataract, rod with socket-end for injection cock and lever of unknown purpose with bearing crank that goes on cataract stage with a fork end light rod which probably connects to it

Components for 50 inch "Bull" Engine

1876-1877

Light rod with forked end and bottle-screw adjustment, probably for driving engine counter

Rod for 50 inch "Bull" Engine

1876-1877

Bracket plate, column, handwheel, rod in two lengths (flame cut joint not undone) ;and lever with swivel nut for working valve (sinking pipe or blowing through ?) on back (pit side) of condenser

Components for 50 inch "Bull" Engine

1876-1877

Wrought Iron Boiler of the thrashing engine for Tehidy, constructed by Richard Trevithick, c. 1812

Wrought Iron Boiler of Thrashing Engine

1812