Sheet from a photogrammetric survey of Carlisle Castle, consisting of an unrolled elevation of the newel stair in the north-east corner of the solar wing in De Ireby's Tower
- Date:
- 1987
- Location:
- Carlisle Castle, De Ireby's Tower, Carlisle, Cumbria
- Reference:
- MP/CAC0806
- Type:
- Photogrammetric Survey