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 148,459 pages of information and 233,880 images on early companies, their products and the people who designed and built them.

Llewellyn (Cyfarthfa)

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Coal mine, of Merthyr Tydfil

1930 Amalgamated with other collieries as Welsh Associated Collieries

1933 Owned 2 mines - Berry Level and Castle at Troedyrhiw.

1936 Welsh Associated Collieries were absorbed into the Powell Duffryn Associated Collieries.

See Also


Sources of Information

  • Durham Mining Museum