Grace's Guide is the leading source of historical information on industry and manufacturing in Britain. This web publication contains 148,100 pages of information and 233,633 images on early companies, their products and the people who designed and built them.
Coal company, of Mountain Ash, Glamorgan
Presumably the former Nixon's Navigation Co which was bought out of liquidation in 1929
1930 Agreement with other coal companies to form Welsh Associated Collieries
1933 Output of 2 million tons/year from Abergorki, Cwm Cynon, Deep Duffryn and Navigation mines at Mountain Ash, and the Merthyr Vale Nos. 1 & 2 mines.