Henry Christopher Mance
Sir Henry Christopher Mance, CIE (6 September 1840 – 21 April 1926) was a British electrical engineer and a former president of the Institution of Electrical Engineers. He was knighted for developing the heliograph.
Sir Henry Christopher Mance, CIE (6 September 1840 – 21 April 1926) was a British electrical engineer and a former president of the Institution of Electrical Engineers. He was knighted for developing the heliograph.