| Reference number | NLB/43/692 |
| Alternative reference number | NLB/43 p426 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to C P Butler, Solar Physics Observatory, South Kensington, S.W. |
| Date | 10 March 1911 |
| Description | The volume containing his paper has just been closed, so the error must now remain uncorrected. However, it will be pretty obvious to the reader. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |