| Reference number | NLB/25/511 |
| Alternative reference number | NLB/25 p313 |
| Level | Item |
| Title | Copy letter from Robert William Frederick Harrison, to Edward Roberts, Nautical Almanac Office |
| Date | 12 November 1902 |
| Description | Is in receipt of Roberts' letter of todays date and the names of the committee of the National Physical Laboratory are in the Year Book of the Royal Society, a copy of which is doubtless in the Nautical Almanac Office. |
| Extent | 1p |
| Format | Carbon |
| Physical description | Typescript |
| Access status | Open |