| Reference number | NLB/66/900 |
| Alternative reference number | NLB/66 p501 |
| Level | Item |
| Title | Copy letter from Francis Alexander Towle, Assistant Secretary of the Royal Society; to Colonel [Henry George] Lyons, FRS |
| Date | 11 September 1924 |
| Description | Sends a copy of a letter send from the India Office with reference to the International Union of Geodesy and Geophysics meeting to take place in Madrid. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |