| Reference number | NLB/54/850 |
| Alternative reference number | NLB/54 p481 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to [George Walker] Walker Esquire, FRS |
| Date | 19 October 1917 |
| Description | Asks [George Walker] Walker Esquire if he can furnish the Society with some data of the Magnetic Survey of the British Isles and also of Iron Ore and the Magnetic Survey for inclusion in the Society's Report of Council. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |