Further reading Heald, Henrietta (2012), William Armstrong: Magician of the North. Alnwick, Northumberland: McNidder & Grace. . Smith, Ken (2005), Emperor of Industry: Lord Armstrong of Cragside. Newcastle: Tyne Bridge Publishing, 48 pp. . Bastable, Marshall J. (2004), Arms and the State, Sir William Armstrong and the Remaking of British Naval Power. UK: Ashgate, 300 pp. .
Further reading Heald, Henrietta (2012), William Armstrong: Magician of the North. Alnwick, Northumberland: McNidder & Grace. . Smith, Ken (2005), Emperor of Industry Lord Armstrong of Cragside. Newcastle: Tyne Bridge Publishing, 48 pp. . Bastable, Marshall J. (2004), Arms and the State, Sir William Armstrong and the Remaking of British Naval Power. UK: Ashgate, 300 pp. .