| Reference number | NLB/46/345 |
| Alternative reference number | NLB/46 p204 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to [Messrs Harrison & Sons] |
| Date | 12 July 1912 |
| Description | Instructs them to supply and forward blocks illustrating Sir William de Wiveleslie Abney's papers in the 'Proceedings [of the Royal Society]' 49, and 'Philosophical Transactions [of the Royal Society]' 1892 A to Longmans Green & Company. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |