Very few people have heard of the quite unique high pressure engine built the early nineteenth century by two brothers in a relatively remote valley in central Derbyshire to power their flax mill. Even fewer have seen the extensive remains of the water supply to the engine, although the engine house has long been demolished & the  engine scrapped.

This is the story of how the Dakeynes, faced with an apparently insuperable difficulty, displayed a remarkable degree of engineering ingenuity. When water turbines were little more than an idea in far off France, they not only invented, but also built, what was certainly one of the first machines capable of generating power from water at high pressure 

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