Richard Thomas and Company
A South Wales tinplate and steel firm that expanded aggressively between the wars, buying the Ebbw Vale business in 1935 and with it the Irthlingborough mine. It extended the main tunnel through to the Finedon quarries in 1938, joining two separate takes into one underground system. It merged with Baldwins Ltd in 1945.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Irthlingborough Ironstone Mine | Northamptonshire | 1935–1945 |
Record created: 24 August 2026 · Last researched: 24 August 2026