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Bible Encyclopedias
John Roebuck
1911 Encyclopedia Britannica
or Gether with Samuel Garbett he erected a factory at Prestonpans, near Edinburgh, for the production of the acid in 1749, and for some years enjoyed a monopoly; but ultimately his methods became known, and, having omitted to take out patents for them at the proper time, he was unable to restrain others from making use of them. Engaging next in the manufacture of iron, he in 1760 established the ironworks which still exist at Carron, in Stirlingshire. There he introduced various improvements in the methods of production, including the conversion (patented in 1762) of cast iron into malleable iron "by the action of a hollow pit-coal fire" urged by a powerful artificial blast. His next enterprise was less successful. He leased a colliery at Bo'ness to supply coal to the Carron works, but in sinking for new seams encountered such quantities of water that the Newcomen engine which he used was unable to keep the pit clear. In this difficulty he heard of James Watt's engine and entered into communication with its inventor. This engine, then at an early stage of its development, also proved inadequate, but Roebuck became a strong believer in its future and in return for a two-thirds share in the invention assisted Watt in perfecting its details. His troubles at the colliery, however, aggravated by the failure of an attempt to manufacture alkali, brought him into pecuniary straits, and he parted with his share in Watt's engine to Matthew Boulton in return for the cancellation of a debt of X1 200 which he owed the latter. Subsequently, though he had to give up his interest in the Bo'ness works, he continued to manage them and to reside at the neighbouring Kinneil House, where he occupied himself with farming on a considerable scale. He died on the 17th of July 1794.
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Chisholm, Hugh, General Editor. Entry for 'John Roebuck'. 1911 Encyclopedia Britanica. https://www.studylight.org/encyclopedias/eng/bri/j/john-roebuck.html. 1910.
