| Reference number | NLB/46/174 |
| Alternative reference number | NLB/46 p107 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Sir William de Wiveleslie Abney, Fellow of the Royal Society |
| Date | 21 June 1912 |
| Description | Sending an account from Messrs Longmans, Green & Company for some electros of figures published in one of his papers. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |