John Devonshire Ellis
John Devonshire Ellis (20 April 1824 – 11 November 1906) was a steelmaker from Sheffield, England. He developed armour-plating for warships, and worked on the Bessemer process of steelmaking.
John Devonshire Ellis (20 April 1824 – 11 November 1906) was a steelmaker from Sheffield, England. He developed armour-plating for warships, and worked on the Bessemer process of steelmaking.