| Reference number | NLB/57/367 |
| Alternative reference number | NLB/57p206 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to Messrs Newton; 72 Wigmore Street |
| Date | 27 October 1919 |
| Description | Requests they send a man to overhaul and clean all parts of the apparatus before the winter season. |
| Extent | 1p |
| Format | Manuscript |
| Access status | Open |