| Reference number | NLB/43/40 |
| Alternative reference number | NLB/43 p24 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs Longmans, Green & Company |
| Date | 26 October 1910 |
| Description | Messrs Harrison & Sons have been instructed to prepare electros of the curves appearing in Harden and Young's paper, and to send them on with the bill. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |