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Jean Baptiste Prosper Closson

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Jean Baptiste Prosper Closson (1840-1883)

1880 of 48 Rue Laffitte, Paris.

1884 Obituary [1]

JEAN BAPTISTE PROSPER CLOSSON was born on 7th June 1840, at Souppes, in the department of Seine et Marne, France; and died in Paris on 23rd November 1883, at the ago of forty-three.

He studied at the Ecole Centrale des Arts et Manufactures, which he left in 1863 with the diploma of engineer.

For several years he was engaged in the manufacture of cement, having charge of works in the department of Nievre.

Subsequently, in connection with Messrs. Bichon and Co. of Paris, he was occupied in the development of various inventions, such as the Vapart disintegrator, upon which he read a paper at the Paris Meeting of the Institution in 1878.

He also produced numerous inventions of his own, particularly in connection with the economical manufacture of magnesia by means of waste products, such as the waste water from hydrochloric acid manufacture. The chemically pure magnesia so obtained he intended employing principally for furnace-linings in the Thomas-Gilchrist process, as well as for hydraulic cement, for artificial manure, for treating sewage, and for removing incrustation in boilers; on these subjects he published much valuable information.

He became a Member of the Institution in 1878.

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