- NLW MS 8834C
- Ffeil
- [1892x1922]
Correspondence relating to the Rhos Slate Quarry, 1892-1909; and correspondence between J. H. Kerner-Greenwood and W. J. Parry concerning the utilisation of slate waste, 1917-1922.
Correspondence relating to the Rhos Slate Quarry, 1892-1909; and correspondence between J. H. Kerner-Greenwood and W. J. Parry concerning the utilisation of slate waste, 1917-1922.