| Reference number | NLB/46/26 |
| Alternative reference number | NLB/46 p20 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to The Manager, The British Vacuum Cleaner Company |
| Date | 24 May 1912 |
| Description | Enquires whether they will be able to clean the druggets and carpets in some of the principal rooms on two mornings before the 250th Anniversary celebrations at the Royal Society. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |