| Reference number | NLB/40/662 |
| Alternative reference number | NLB/40/ p398 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison to Professor E Wilson, G F O'Dell, and H W K Jemngo |
| Date | July 1909 |
| Description | '"On the effect of previous magnetic history on magnetigation" subject to its revision on the lines indicated in the accompanying notes: and to the omission of either the tables or the diagrams accompanying the paper.' |
| Extent | 1p |
| Format | Carbon |
| Access status | Open |