David Lloyd Jones

Owner of Llwyngwern quarry, near Machynlleth, in the 1880s, who specialised in supplying slate slab for enamelling, both to a London merchant and through a joint venture with the Towyn Enamelled Slate Quarry Company. He sold the quarry in 1891.

Mines operated

MineRegionYears
Llwyngwern Quarry Powys 1878–1891

Record created: 9 September 2026 · Last researched: 9 September 2026