| Ref No | DS.VA/5/PL/37/4 |
| Alt Ref No | 1027/7167-7174, 7183-94, 7197-7208 |
| Title | Detailed plans of hydraulic engines nos. 2516-2519 for Tower Bridge |
| Date | 1889 |
| Description | Includes a small number of plans covering hydraulic engines nos. 2516-2523. |
| AccessStatus | Open |
| Format | 2 rolls of 32 plans |