Old Delabole Slate Company

Formed in 1841 by the amalgamation of the five separate quarries working the Delabole slate, and the company that secured the freehold of the whole pit and made it one of the largest slate operations in England.

Mines operated

Mine	Region	Years
Delabole Slate Quarry	Cornwall	1841–1999

Record created: 24 August 2026 · Last researched: 24 August 2026