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t large, and particularly of an extensive class of coal and mine proprietors and iron masters, who have derived, and are still deriving, great wealth from this important discovery; and who, in the spirit of grateful acknowledgment, have pronounced it worthy of a crown of gold, or a monumental record on the spot where the discovery was first made. "At an advanced period of life, such considerations are soothing and satisfactory. Many under similar circumstances have not, in their own lifetime, had that measure of justice awarded to them by their country to which they were equally entitled. I accept it, however, as a boon justly due to me, and as an equivalent in some degree for that laborious course of investigation which I had prescribed for myself, and which, in early life, was carried on under circumstances of personal exposure and inconvenience, which nothing but a frame of iron could have supported. They atone also, in part, for that disappointment sustained in early life by the speculative habits of one partner, and the constitutional nervousness of another, which eventually occasioned my separation from the Calder Iron Works, and lost me the possession of extensive tracts of Black Band iron-stone, which I had secured while the value of the discovery was known only to myself." 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. They contain the germs of many inventions and discoveries in iron and steel, some of which were perfected by Mr. Mushet himself, while others were adopted and worked out by different experimenters. In 1798 some of the leading French chemists were endeavouring to prove by experiment that steel could be made by contact of the diamond with bar-iron in the crucible, the carbon of the diamond being liberated and entering into combination with the iron, forming steel. In the animated controversy which occurred on the subject, Mr. Mushet's name was brought into considerable notice; one of the subjects of his published experiments having been the conversion of bar-iron into steel in the crucible by contact with regulated proportions of charcoal. The experiments which he made in connect
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