| Reference number | NLB/8/451 |
| Alternative reference number | NLB/8 p187 |
| Level | Item |
| Title | Copy letter from an unknown correspondent, to the Swan Engraving Co., 116 Charing Cross Road |
| Date | 30 October 1893 |
| Description | 'Your amended estimate for Prof. Hartley's plates has been accepted, and you may now put them in hand'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |