Plan and section of a stone-built drain in the gate passage in De Ireby's Tower at Carlisle Castle, exposed during the lowering of the road surface in August 1982, with notes
- Date:
- 1988 - 1990
- Location:
- Carlisle Castle, De Ireby's Tower, Carlisle, Cumbria
- Reference:
- MP/CAC1143
- Type:
- Measured Drawing