| Reference number | NLB/29/869 |
| Alternative reference number | NLB/29 p486 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Professor George Forbes, Fellow of the Royal Society |
| Date | 23 December 1904 |
| Description | States the title of his paper 'Exterior Ballistics. "Error of the Day," and other Corrections to Naval Range-tables', presumably concerning publication. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Manuscript |
| Access status | Open |