Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 163,899 pages of information and 245,954 images on early companies, their products and the people who designed and built them.
Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 147,919 pages of information and 233,587 images on early companies, their products and the people who designed and built them.
Coal company, of Merthyr Tydfil
Previously Hill's Plymouth Co Ltd.
1930 Agreement with other coal companies to form Welsh Associated Collieries
1933 Output of 500,000 tons/year from 7 mines at Merthyr
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