| Reference number | NLB/54/10 |
| Alternative reference number | NLB/54 p6 |
| Level | Item |
| Title | Copy letter from [Robert William Frederick Harrison, Assistant Secretary of the Royal Society]; to F. J. Selby, Secretary of the National Physical Laboratory; Teddington, Middlesex |
| Date | 18 January 1916 |
| Description | Approves the Aeronautics Society's request to book a room at the Royal Society on 13 February, 1917, at 3pm. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |