| Reference number | NLB/22/607 |
| Alternative reference number | NLB/22 p359 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons |
| Date | [June 1901] |
| Description | Requests that they make cliches od figures two and three in Lord Rayleigh's 'On a New Manometer' and send them to Messrs Dulau & Company. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |