| Repository | Special Collections Archives (GB 0029) |
| Ref No | EUL MS 31a/456 |
| Alt Ref No | MS 31/456 |
| Date | 19th century |
| Level | Item |
| Extent | 1 item |
| Title | Sir John Isaac Thornycroft |
| Description | ALS to explain to Marshall about the photos he has sent him of a boiler he has recently devised. |
| Language | English |
| Format | Manuscript |
| Access Status | Open |
| Copyright | Usual EUL restrictions apply |
| Creator_Name | Thornycroft; Sir; John Isaac (1843-1928) |