| Reference number | NLB/56/903 |
| Alternative reference number | NLB/56 p510 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the Controller-General of the Department of Overseas Trade |
| Date | 24 June 1919 |
| Description | Informs the Controller-General that the communication relating to wave transmission is under consideration by the President of the Society, whose reply will be forwarded on to them as soon as possible. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |