Grace's Guide

British Industrial History

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Patent Plumbago Crucible Co

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January 1866.
1866.
1866.
1866.
1866.
1866.

of Battersea Works. Morgan's patent.

1851 After seeing American-made crucibles at the Great Exhibition, the Morgan Brothers became sole agents for crucibles from Joseph Dixon and Co, a New Jersey manufacturer of crucibles.

1856 The 6 Morgan brothers obtained the manufacturing rights for graphite crucibles from the American company, Joseph Dixon and Co, and a factory was opened in Battersea. The company was called the Patent Plumbago Crucible Co.

1864 A description of the works can be found in The Engineer 1864/04/29

1867 Exhibitor at the Paris Exhibition - plumbago, lead

By 1868 the Morgan brothers were also operating as the Silicated Carbon Filter Co at Battersea

1877 Exhibited at the 1878 Paris Universal Exhibition - Crucibles, portable assay and smelting furnaces, &c.[1]

1881 The name of the company was changed to Morgan Crucible Co.


  • NB Plumbago was the name given to graphite which was used in a clay mix to produce a crucible that melted metal faster and lasted longer than anything else available in Europe at the time. So much so that Patent Plumbago's "melting pots" were said to offer metal smelters "a saving of more than 50 per cent in time, labour, fuel and waste".

See Also

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Sources of Information

  1. London Gazette 18 Dec 1877
  • [1] Morgan Crucible history