| Reference number | NLB/52/351 |
| Alternative reference number | NLB/52 p198 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to The Secretary of the Advisory Committee for Aeronautics; Bushy House, Teddington, Middlesex |
| Date | 13 November 1915 |
| Description | Approves the Aeronautics Society's request to book a room at the Royal Society on 7 December, 1915, at 3pm. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |