Shuman Solar Power 100 years ago

This article says:

The experiment above was described in 1916 by Frank Shuman, a US inventor from Philadelphia, to explain the principle behind a solar-generating plant he had set up in 1913 in Egypt at Maadi, today a suburb of Cairo. To create his Number One Sun Engine, Shuman used five 60-metre-long parabolic “troughs”, mirror-lined heat absorbers aligned to track the sun’s progress across the sky, to concentrate the rays onto five matte-black boilers, which then produced sufficient steam to pump almost 23,000 litres of water a minute.

Shuman’s plant successfully irrigated agricultural land alongside the Nile for two years, but it could just as easily have been used to operate an electricity-generating turbine, as he intended it should.


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