1. JISI, Part I (1897), p. 230; Owen, Dowlais Iron Works, p. 87; D. Morgan Rees, Historic Industrial Scenes, Wales, Ashborne (n.d.), plate 38.
2. Ibid., p. 143; Robert Forester Mushet, The Bessemer-Mushet-Process, of Manufacture of Cheap Steel, Cheltenham (1883), p. 8.
3. Owen, Dowlais Iron Works, p. 76.
4. Ibid., p. 75.
5. Ibid., pp. 76, 143.