| Reference number | NLB/55/180 |
| Alternative reference number | NLB/55 p98 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Messrs Longmans, Green & Co. 39 Paternoster Row, E.C. |
| Date | 07 January 1918 |
| Description | Letter stating that it is not possible to make an electro of an illustration from the Philosophical Transactions as the plate was lithographed but that it is possible to have the plate photographed with the permisson of the author, Sir William Abney |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |