| Reference number | NLB/70/540 |
| Alternative reference number | NLB/70 p282 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to the Secretary of the Aeronautical Research Committee; National Physical Laboratory |
| Date | 6 May 1927 |
| Description | Regrets that it is not possible for the Aeronautical Sub-Committee and Panel to be held at the Royal Society on 7 June, as the Society will be closed then over the Whitsun Recess. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |