Camborne's Trevithick Day is an annual celebration of the heritage and mining heritage of the area, with the focus on its famous son Richard Trevithick, the pioneer of high pressure steam power.

BBC: Remembering Cornwall's Trevithick

Thousands of people are expected in Camborne later to celebrate its famous son Richard Trevithick, who invented high-pressure steam power.

BBC: Camborne celebrates inventor Richard Trevithick

The output is a hot, high-pressure mix of steam and CO2 that powers a turbine.

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