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Updated: June 20, 2025
Robert Mushet had demonstrated his product to "Sideros" and had patented his discovery, though "not one print, literary or scientific, had condescended to notice it."
In 1860, on the question of suitable metal for artillery, later to be the subject of high controversy among the leading experts of the day, Mushet found a ready solution in his own gun metal. This he had developed fifteen years before.
The extraordinary expansion of the Scotch iron trade of late years has been mainly due to the discovery by David Mushet of the Black Band ironstone in 1801, and the invention of the Hot Blast by James Beaumont Neilson in 1828. David Mushet was born at Dalkeith, near Edinburgh, in 1772. Like other members of his family he was brought up to metal-founding.
"Sideros" concludes that Bessemer's discovery was "at least for a time" now shelved and arrested in its progress; and it had been left "to an individual of the name of Mushet" to show that if "fluid metallic manganese" were combined with the fluid Bessemer iron, the portion of manganese thus alloyed would unite with the oxygen of the oxide and pass off as slag, removing the hot-short quality of the iron.
Mushet continued, however, to regard the patents as "wholly my own, though at the same time, I am bound in honor to take no unfair advantage of the non-execution of that deed." A possible explanation of this situation may be found in Ebbw Vale's activities in connection with Martien and Bessemer, as well as with an Austrian inventor, Uchatius. Ibid., p. 770. Ibid., p. 823.
when the carbon has been all, or nearly all, dissipated, the temperature increases to an almost inconceivable extent, so that the mass, when containing only as much carbon as is requisite to constitute with it cast steel ... still retains a perfect degree of fluidity. Mining Journal, 1857, vol. 27, p. 723. Robert Mushet was a constant correspondent of the Mining Journal from 1848.
Mushet of the certain fusibility of malleable iron at a suitable temperature. Among the other important results of Mr.
Hill of the Plymouth Iron Works, South Wales, had the effect of producing savings equal to about 20,000L. a year at those works; and yet, strange to say, Mr. Mushet himself never received any consideration for his invention. The discovery of Titanium by Mr.
Mushet published the results of his laborious investigations in a series of papers in the Philosophical Magazine, afterwards reprinted in a collected form in 1840 under the title of "Papers on Iron and Steel." These papers are among the most valuable original contributions to the literature of the iron-manufacture that have yet been given to the world.
AGRICOLA, De Re Metallica. Basle, 1621. The Rev. JOSEPH HUNTER, History of Hallamshire. MUSHET, Papers On Iron and Steel. M. Le Play's two elaborate and admirable reports on the manufacture of steel, published in the Annales des Mines, vols. iii. and ix., 4th series, are unique of their kind, and have as yet no counterpart in English literature.
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