Cragside – harnessing the power of water
By Asha Gage, IET Archivist Sir William Armstrong, later 1st Baron Armstrong, was one of the most successful British industrialists and scientists of the 19th century. He turned his vision and inventiveness to his country residence, Cragside, which is situated in Rothbury in Northumberland. But this was no genteel country folly, Cragisde was Armstrong’s laboratory where he experimented with water power. In 1880 Cragside was the first house in the world to be lit by hydro-electricity. Armstrong wrote a descriptive letter to the editor of The Engineer journal on 17 January 1881 shortly after he utilised Joseph Swan’s newly invented incandescent light bulbs in his home. From this detailed narrative we can hear Armstrong’s own words about the marvels of this new energy that he had harnessed from…