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 136,094 pages of information and 218,912 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

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Sources of Information

  • Durham Mining Museum