| Reference number | NLB/57/280 |
| Alternative reference number | NLB/57p155 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, Assistant Secretary of the Royal Society; to the City Window Cleaning Company; 20-21 Laurence Pountney Lane, Cannon Street, EC 4 |
| Date | 3 October 1919 |
| Description | Discontinuing service. Advises a private cleaner now performs the work at a Society adjacent to the Royal Society, and is willing to do the work at the Royal Society as well, so their future services are not required. |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |