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It was his claim that the rail was rolled direct from the ingot, something Bessemer himself could not do at that time. Mining Journal, 1857, vol. 27, p. 871, and 1858, vol. 28, p. 12. Ibid. , p. 34. Mushet, op. cit. The phrase quoted is typical of Mushet's style. This was the beginning of a series of claims by Mushet as to his essential contributions to Bessemer's invention.
Heath while residing in India. Mr. Mushet's process is of a similar character. Another inventor, Major Uchatius, an Austrian engineer, granulates crude iron while in a molten state by pouring it into water, and then subjecting it to the process of conversion.
Mushet's description of the preparation of this ingot shows that it was derived from "Bessemer scrap" made by Ebbw Vale in the first unsuccessful attempts of that firm to simulate the Bessemer process. This scrap Mushet had remelted in pots with spiegel in the proportions of 44 pounds of scrap to 3 of melted spiegel.
Publication in the Mining Journal of a list of Mushet's patents, evidently in response to Sideros' complaint, now presented Bessemer with notice of Robert Mushet's activity, even if he had not already observed his claims as they were presented to the Patent Office. Mushet, said the Mining Journal appears to intend to carry on his researches from the point where Mr.
Mushet's youngest son, Robert, reasoning on the peculiar circumstances of the discovery in question, of which ample record is left, has founded upon it his Titanium process, which is expected by him eventually to supersede all other methods of manufacturing steel, and to reduce very materially the cost of its production. While he lived, Mr.
Mushet's American patent had been bought by an American group interested in the Kelly process at about this time, and Bessemer's American rights had also been sold to an American group that included Alexander Lyman Holley, who had long been associated with Zerah Colburn, another American engineer.
Another correspondent, William Green, was of the opinion that Mushet's "new compounds and alloys," promised well as an auxiliary to the Bessemer process but that "the evil which it was intended to remove was more visionary than real." Bessemer's chief difficulty was the phosphorus, not the oxide of iron "as Mr. Mushet assumes."
Mushet's business capacity was small but it is difficult to believe that he could have been so foolish as to assign an interest in his patents to Ebbw Vale without in some way insuring his right of consultation about their disposition. He claims that even in the drafting of his specifications he was obliged to follow die demands of Ebbw Vale, which firm, believing, "on the advice of Mr.
In 1839, when the process had become generally adopted throughout Scotland, and, indeed, was found absolutely essential for smelting the peculiar ores of that country more especially Mushet's Black Band a powerful combination was formed amongst the ironmasters to resist the patent.
The Engineer, 1861, vol. 12, p. 10. Ibid., p. 63. These proceedings invited Robert Mushet's intervention.
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