Grace's Guide

British Industrial History

Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,509 pages of information and 233,942 images on early companies, their products and the people who designed and built them.

Thomas Delaval

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c.1748 Thomas Delaval began to manufacture copperas at Hartley

1764 family disagreements allowed Thomas to take over responsibility for the Hartley enterprises from his brother John but the businesses got into trouble.

1771 His older brother John Hussey Delaval resumed control of the businesses.

1771 By an Act of Parliament, power was given to Sir Francis Blake Delaval to grant to Sir John Hussey Delaval, in fee simple, all the copperas works - which gives some idea of the importance then attached to this process.

See Also

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Sources of Information

  • Biography of John Hussey Delaval, ODNB