| Reference number | NLB/30/555 |
| Alternative reference number | NLB/30 p332 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Messrs Harrison & Sons |
| Date | 10 April 1905 |
| Description | 'Philosophical Transactions Advertisement. This should be inserted as usual in "Nature", "Science", & "The Athenaeum". RWFH'. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |