| Reference Number | S5/A41/1245 |
| Catalogue Level | Item |
| Title | Plan: Castletown Commissioners Proposed Ventilator and Intercepting Trap at Harbour Master's House |
| Date | Undated [early 20th century] |
| Description | Structure or Place: Castletown, Harbour Master's House. |
| Notes | Castletown |
| Access | Open |
| Extent | 1 sheet |
| AltRefNo | C740 |
| 1246 |
| AccNo | A41 |