J. Armstrong
Owner of Brownrigg Colliery in the 1880s, succeeded by T. Armstrong in the 1890s and D. Armstrong in the 1900s -- likely a family succession, though the relationships between the three Armstrongs are not established from the sources read for this pass.
Mines operated
| Mine | Region | Years |
|---|---|---|
| Brownrigg Colliery | Northumberland | 1880–1889 |
Record created: 14 September 2026 · Last researched: 14 September 2026