| Reference number | NLB/55/517 |
| Alternative reference number | NLB/55 p281 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Mrs. J.P. Trevelyan |
| Date | 10 May 1918 |
| Description | Letter giving permission to use a meeting room and eipidiascope lantern |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |