The beginnings of cheap steel

by Philip W. Bishop

[ ⁹²]See Fred M. Osborn, The story of the Mushets, London, 1852

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[ ⁹³]Journal of the Iron and Steel Institute, 1876, p. 3

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[ ⁹⁴]Robert Mushet, The Bessemer-Mushet process, Cheltenham, 1883

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[ ⁹⁵]Scientific American, 1856, vol. 12, p. 6

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[ ⁹⁶]U.S. patent 17389, dated May 26, 1857. Martien's U.S. patent was granted as 16690, dated February 24, 1857

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