| Reference number | NLB/45/676 |
| Alternative reference number | NLB/45 p407 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison to Dr J [John] A [Allen] Harker FRS |
| Date | 22 April 1922 |
| Description | States that Gill's letter has been shown to the President, and that the President has asked for an invitation to be sent to the Ordnance Survey Department. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |