Excerpt from The Reign of Rubber
Such conditions could not persist in connection with so flexible a substance. Men may come and companies go, but ideas grow in the minds of other men, who form new companies to carry on. Charles Goodyear, of New Haven, Connecticut, conceived it possible to dry up this sticky, melting, freezing ma terial. Finally after years of effort, in 1839, he made a far-reaching discovery. He heated a mixture of sulphur, white lead, and raw rubber, and he observed a marked change of properties. This erstwhile soft ish, doughy substance became firm, and strong; it no longer hardened in cold weather or melted in the summer.
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Zustand: New. KlappentextrnrnExcerpt from The Reign of RubberOf warm summers and cold winters, that down to about 1840 they were filled with dise for anything that related to gum elastic. People had become dis gusted and rightly so with goods that ha. Artikel-Nr. 2147921040
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