| Reference number | NLB/58/282 |
| Alternative reference number | NLB/58 p152 |
| Level | Item |
| Title | Copy letter from Edwin Deller, Assistant Secretary of the Royal Society; to the Secretary of the Aeronautics Advisory Committee, National Physical Laboratory |
| Date | 15 April 1920 |
| Description | Approves the Secretary's request to book a room at the Royal Society on 4 May, 1920, at 3pm, for the Aero-dynamics Sub-Committee. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |