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... Continue Reading →
By Asha Gage, IET Archivist When two pieces of carbon are connected to a high voltage electricity supply, an arc of brilliant light is "struck" between them when they are a short distance apart. The first man to observe this... Continue Reading →